WO1996004021A1 - Elektrische vorrichtung zum verdunsten von wirkstoffen - Google Patents
Elektrische vorrichtung zum verdunsten von wirkstoffen Download PDFInfo
- Publication number
- WO1996004021A1 WO1996004021A1 PCT/EP1995/002917 EP9502917W WO9604021A1 WO 1996004021 A1 WO1996004021 A1 WO 1996004021A1 EP 9502917 W EP9502917 W EP 9502917W WO 9604021 A1 WO9604021 A1 WO 9604021A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contacts
- rotary coupling
- housing
- coupling part
- connection
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
- A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
- A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
- A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
- A61L9/03—Apparatus therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/135—Vaporisers for active components
Definitions
- the present invention relates to an electrical device for evaporating active substances according to the preamble of claim 1.
- Such devices have become increasingly popular, for example for vaporizing fragrance and aroma substances in order to drive away small insects such as mosquitoes etc.
- These devices are preferably designed with a connector plug integrated in the housing, so that the device can be plugged directly into a wall socket.
- the device can normally only be operated in a certain position since the active substance is usually bound in a liquid carrier material or a paste and therefore the carrier material is prevented from leaking out only in a certain position of the device, the sockets a wall socket but can lie on a horizontal or vertical line.
- Devices of this type are known which are provided with an electrical switch with which the heating can be switched on or off.
- the device does not need to be removed from the wall socket to switch it off.
- the present invention has for its object to provide a device of the type mentioned, which is provided with an on / off switch and with an adaptation to vertical or horizontal wall sockets, and is still simple.
- the connector is provided with a first rotary coupling part which engages with a second rotary coupling part arranged in the housing and which contacts are arranged in and of each of the rotary coupling parts Can be brought into contact with the contacts of the other rotary coupling part assigned to them.
- the contacts and the associated mating contacts on the two rotary coupling parts are arranged in such a way that, in two positions offset by 90 °, there is a continuous electrical connection between the connector contacts and the heating, and an angular range with a switching position arises in between, in which the connection is open.
- the formation of the contacts and the associated mating contacts on the two rotary coupling parts results in a simplified structure of the device, which is switched on and off by rotating the housing relative to the connector. Because the device has two switch positions offset by 90 °, the device can always assume a specific operating position, which regardless of whether the device is plugged into a vertical or horizontal wall socket.
- the angular range with the connection closed is preferably substantially smaller than the angular range with the connection open, in particular the ratio of the angular range with the connection closed to the angular range with the connection open is 1: 5.
- the heater has at least one PCT resistor which lies between two metallic electrodes which are connected to the contacts of the rotary coupling part on the housing side via electrical connecting lines.
- PTC heating resistors are known to stabilize themselves at a temperature that depends on their dimensions.
- the construction of the device is considerably simplified if the connecting lines, the contacts, the heat exchanger and possibly the electrodes are formed in one piece from a stamped sheet metal part which, if necessary, is bent after the stamping and at those points where increased dimensional stability or thermal insulation is required is encapsulated with a plastic.
- the training - the essential electrical Conductive parts on a single stamped sheet simplify the device considerably, since the otherwise usual stranded connections are eliminated.
- the plastic gives the electrically conductive parts increased strength, which improves the durability of the device and reduces the electrical power loss.
- the electrical connection conductors are designed in the area between the contacts of the housing-side rotary coupling part in the form of two mutually opposite quarter rings and the connection conductors at an angle between the quarter rings and the electrodes by an angle of approximately 90 ° the electrodes kinked.
- the quarter rings are preferably extrusion-coated with plastic in such a way that an almost closed circular ring results.
- the rotary coupling part on the housing side is perpendicular to the plane in which the electrodes and the heat exchanger are formed after the kinking. This considerably simplifies the manufacturing process, since all manufacturing steps can be carried out in one plane and after that only a kinking of the connecting conductors is required in order to bring the rotating coupling part on the housing side into the required vertical position in which it is inserted into the housing ⁇ is set.
- the rotary coupling part is preferably rigidly connected to the connector and is preferably rotatably guided through an angle of 90 ° in the wall of the housing.
- the rotary coupling parts are held in engagement with one another by means of a latching connection, as a result of which defined switching states of the device are ensured.
- a latching connection For example, in the switch-on positions, the contacts of one rotary coupling part touch with the counter-contacts of the other rotary coupling part, and the snap-in connection supports a close contact of the contacts.
- FIG. 3 shows a view from above of the heater shown in FIG. 2,
- FIG 4 is a side view of the connector and the first rotary coupling part of the present invention.
- Fig. 6 is an illustration of a stamped sheet metal part, which contains essential parts of the device, and
- Fig. 7 is an enlarged sectional view of an electrode with integrated heat exchanger.
- the device has a housing consisting of two housing half-shells 1a, 1b, with a container 2 attachable to it, in which the substance to be evaporated, for example a liquid with active ingredients dissolved therein, is located.
- the fastening means between the housing and the container 2 consist of an external thread arranged at the upper end of the container and a corresponding internal thread formed in the lower housing half-shell 1b.
- a wick 3 is stored, which consists of carbon fibers or textile threads.
- the liquid to be evaporated is transported via the wick to the heater 4 shown in more detail in FIGS. 2 and 3.
- a connector 5 is rotatably mounted with two plug contacts 6 attached to it.
- the connector has a circumferential annular groove 7, which engages in a correspondingly shaped edge of the housing shells 1 a, 1 b when the housing is closed.
- the heater 4 comprises a PTC heating element clamped between two electrodes 8 arranged one above the other, which is not directly visible in FIGS. 2 and 3, since the electrodes 8 are largely encapsulated by a heat-resistant and insulating plastic material and a clear view prevent on the PTC element.
- the electrodes are embedded in the plastic material on the sides facing away from one another. The sides facing each other have a contact area that is large enough to completely contact the PTC element.
- Along the outer edge of the Electrodes have a circumferential web, the webs being arranged on the upper and lower electrodes so that they engage with one another. This forms a closed cavity in which the PTC element is held in a form-fitting manner.
- the electrical part of the heater further comprises connecting lines 10, some of which are connected to the electrodes 8 via a region 11 with a reduced line cross-section, as can be seen more clearly from FIG. 6.
- a heat exchanger 12 consists of two superimposed ring-shaped sections 13, which have a deep-drawn region 14 made of the same metallic material from which the electrode is also formed. As is clear from FIG. 7, the ratio of the length of the deep-drawn region 13 to the thickness of the electrodes is approximately 6: 1.
- the deep-drawing process is carried out in such a way that the material thickness of the deep-drawn area tapers towards a free end. In the case of deep-drawing in particular, it is important that sufficient material is present at the attachment point between the deep-drawn area 14 and the annular section 13, so that good heat transfer to an deep-drawn area is ensured.
- the greater thickness of the material at the points close to the heating element means that the heating energy is transferred well to the outer ends.
- the ring-shaped and deep-drawn region 13 or 14 are completely embedded in the insulated plastic material.
- 3 shows the overmolded, annular and deep-drawn regions of the heat exchanger 12, which has an axially centered through channel 12a.
- the ring-shaped area is only covered with a thin insulating layer on its inner wall, so that as much thermal energy as possible can be dissipated into the passage 12a.
- the outer wall of the annular region has a thick insulating layer, which is reinforced in the axial direction of the deep-drawn region towards its free end. Insulation designed in this way reduces heat losses and ensures that the heat to be transferred is transported exactly to the desired location in the through-channel.
- Fig. 6 shows a stamped sheet metal part 15 with the essential parts of the electrical heater. In the completely punched-out state of the sheet metal part, the places which are shown in the drawing with dashed lines are completely separated. In detail, one can see two electrodes 8 with integrally formed annular sections 13, each of which has a deep-drawn region 14. Connection conductors 10 are connected integrally to the electrodes 8 or the annular section 13, in some cases via regions 11 with a reduced cross section. The connecting conductors are formed in the left half of the stamped part shown in FIG. 6 approximately quarter-circle-shaped and facing each other and each carry a pair of contacts 16, each offset by 90 °.
- the stamped sheet metal part is extrusion-coated with a plastic at those points where increased dimensional stability or thermal insulation is required.
- the encapsulation of the quarter circular rings is carried out in such a way that an almost closed circular ring is formed, on the inner wall of which the contacts 16 protrude radially inwards.
- a web 17 is formed on the end face of the circular ring and extends in the axial direction of the circular ring. The web extends over a length of approximately a quarter of the circular ring and has a multiplicity of depressions 18 with beveled surfaces in its inner wall (FIG. 3).
- the heater is completely equipped with resistors 20 and a light-emitting diode 21.
- the electrical circuit of the heater functions as follows: starting from a connecting line 10, the heating current flows via a fuse resistor 20 to the upper annular section 13, which is formed integrally with the upper electrode 8. From this electrode, the current flows through the PTC heating element to the lower electrode 8 and from there to a second connecting line 10, which is completely from Plastic material is overmolded.
- the two connecting lines 10 are connected to the plug contacts 6 of the connector 5 shown in FIG. 1.
- a series resistor 20 with a light electrode 21 connected in series with it is connected in parallel with the pair of electrodes 8.
- the connecting lines for the series resistor and the light-emitting electrode are each located on the upper and lower annular section 13 of the heat exchanger 12.
- PCT heating elements are known to stabilize themselves at a temperature dependent on their dimensioning.
- the PTC heating element was selected so that it generates a temperature of 150 ° C. at the specified operating voltage. Since the upper and lower electrodes 8 are in intimate contact with the heating element and the annular sections with the deep-drawn area are formed integrally thereon, the heat generated by the heating element is transported to the heat exchanger 12.
- the heat losses are so low that a temperature of approximately 128 ° was measured in the through-channel at the wick. What is remarkable about this result is the low temperature loss of only 22 ° C. compared to the operating temperature of the PTC. Furthermore, a very low temperature fluctuation of only 0.5 ° C has been demonstrated in long-term tests.
- the illustrated embodiment of the heating represents only one exemplary possibility and rather several technical implementation options of the heater exist.
- the heating element does not necessarily have to consist of a PTC heating element, but can also be a heating coil made of a heating wire which is embedded in a ceramic heating element.
- FIG. 1 Another embodiment of the present invention, not shown in the drawings, differs from the embodiment described above by a different design of the heat exchanger 8.
- the annular sections 13 and the deep-drawn area 14 are replaced by a flat heating surface.
- a container is provided which is located above the heating surface, for example a heat-resistant plastic shell.
- the substance to be evaporated is located in the bowl and is evenly heated directly by the heating surface underneath.
- the housing has a suitable opening through which the container with the substance to be evaporated can be introduced.
- FIGS. 4 and 5 explain the formation of a first rotary coupling part 22.
- the first rotary coupling part 22 is rigidly connected to the connecting plug 5 and essentially consists of a disk-shaped carrier part 23 which carries two strip-shaped electrical contacts 24 lying opposite one another.
- the electrical contacts 24 are connected to the plug contacts 6 via contact pins 25 (FIG. 5).
- a cam 26 is formed, which on its free end has two surfaces which form an angle of approximately 120 ° with one another.
- a second rotary coupling part 27 consists essentially of the almost closed circular ring, which has arisen from the encapsulation of the connecting lines 10 designed in the form of a quarter ring (see FIGS. 2 and 3) and from the web 17 connected therewith, which has a number of depressions.
- the carrier part 23 of the first rotary coupling part 22 engages in the annular second rotary coupling part 27.
- the cam 26 formed on the carrier part 23 engages in the recesses 18 which are formed on the inner wall of the second rotary coupling part.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8506151A JP3057377B2 (ja) | 1994-08-03 | 1995-07-24 | 有効物質の蒸発用電気装置 |
US08/776,306 US5926614A (en) | 1994-08-03 | 1995-07-24 | Electric device for the vaporization of additives |
BR9508488A BR9508488A (pt) | 1994-08-03 | 1995-07-24 | Dispositivo elétrico para a vaporização de aditivos |
AU31651/95A AU683402B2 (en) | 1994-08-03 | 1995-07-24 | Electrical device for evaporating active substances |
KR1019970700701A KR100198096B1 (ko) | 1994-08-03 | 1995-07-24 | 첨가제를 증발시키기 위한 전기장치 |
CA002196666A CA2196666C (en) | 1994-08-03 | 1995-07-24 | Electric device for the vaporization of additives |
MXPA/A/1997/000838A MXPA97000838A (en) | 1994-08-03 | 1997-01-31 | Electrical device for evaporating substances acti |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94112152.7 | 1994-08-03 | ||
EP94112152A EP0696457B1 (de) | 1994-08-03 | 1994-08-03 | Elektrische Vorrichtung zum Verdunsten von Wirkstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996004021A1 true WO1996004021A1 (de) | 1996-02-15 |
Family
ID=8216172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/002917 WO1996004021A1 (de) | 1994-08-03 | 1995-07-24 | Elektrische vorrichtung zum verdunsten von wirkstoffen |
Country Status (13)
Country | Link |
---|---|
US (1) | US5926614A (de) |
EP (1) | EP0696457B1 (de) |
JP (1) | JP3057377B2 (de) |
KR (1) | KR100198096B1 (de) |
CN (1) | CN1108828C (de) |
AT (1) | ATE176594T1 (de) |
AU (1) | AU683402B2 (de) |
BR (1) | BR9508488A (de) |
CA (1) | CA2196666C (de) |
DE (1) | DE59407811D1 (de) |
ES (1) | ES2129552T3 (de) |
GR (1) | GR3030078T3 (de) |
WO (1) | WO1996004021A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2151846A1 (es) * | 1998-10-06 | 2001-01-01 | Mgi Coutier Espana S L | Perfeccionamientos introducidos en los aparatos evaporadores de productos quimicos. |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0827752B1 (de) * | 1996-09-04 | 2001-12-19 | Steinel GmbH & Co. KG | Elektrische Vorrichtung zum Verdunsten von Wirkstoffen |
EP0882459A1 (de) * | 1997-06-03 | 1998-12-09 | Ramon Bolos Bru | Klimaanlage |
EP0892210A3 (de) * | 1997-07-19 | 2000-07-19 | Frédéric Baillod | Schwenkbare, kompakte, elektrische Lampe |
CA2377319A1 (en) | 1999-06-16 | 2000-12-21 | Lawrence T. Levine | Liquid vaporization with housing stabilization system |
US6661967B2 (en) | 2000-02-25 | 2003-12-09 | The Dial Corporation | Variable temperature vaporizer |
US6792199B2 (en) * | 2000-02-25 | 2004-09-14 | The Dial Corporation | Variable temperature vaporizer |
WO2001093919A1 (en) * | 2000-06-09 | 2001-12-13 | S. C. Johnson & Son, Inc. | Actives dispenser with offset electrical plug |
US6853801B2 (en) * | 2000-09-26 | 2005-02-08 | S. C. Johnson & Son, Inc. | Modular electrical device for delivery of volatile compounds |
PT1332765E (pt) * | 2000-10-03 | 2007-03-30 | Zobele Espana Sa | Dispositivo para aquecimento de substâncias activas |
US6862403B2 (en) * | 2001-08-07 | 2005-03-01 | S.C. Johnson & Son, Inc. | Rotatable plug assembly including an extra outlet |
US6885811B2 (en) | 2002-08-16 | 2005-04-26 | The Dial Corporation | Methods and apparatus for dual-outlet vapor dispenser |
US6697571B2 (en) | 2002-03-11 | 2004-02-24 | The Dial Corporation | Method and apparatus for selective positioning a wick material in a vapor-dispensing device |
US6659301B2 (en) | 2002-04-08 | 2003-12-09 | Waldwick Plastics Inc. | Liquid vaporization device and bottle |
EP1512312A4 (de) | 2002-05-13 | 2006-11-22 | Johnson & Son Inc S C | Koordinierte emission von gerüchen, licht und klängen |
US8301019B2 (en) * | 2003-09-04 | 2012-10-30 | Bath & Body Works Brand Management, Inc. | Fragrance emanation system |
US20060110144A1 (en) * | 2004-11-09 | 2006-05-25 | Fellows Robert T | Bottle for liquid vaporization device |
US7840123B2 (en) | 2007-06-21 | 2010-11-23 | S.C. Johnson & Son, Inc. | Diffusion device |
US8821171B2 (en) * | 2011-09-22 | 2014-09-02 | S.C. Johnson & Son, Inc. | Rotatable plug assembly and housing for a volatile material dispenser |
US8858236B2 (en) | 2011-10-28 | 2014-10-14 | S.C. Johnson & Son, Inc. | Rotatable plug assembly and method of reducing strain in a wire |
WO2014134371A1 (en) | 2013-03-01 | 2014-09-04 | Arthropod Biosciences, Llc | Insect trap device and method of using |
WO2015042412A1 (en) | 2013-09-20 | 2015-03-26 | E-Nicotine Technology. Inc. | Devices and methods for modifying delivery devices |
EP3073822B1 (de) | 2013-11-27 | 2023-06-21 | The Procter & Gamble Company | Teil einer insektenfalle |
MX2017009109A (es) * | 2015-01-12 | 2018-04-20 | Procter & Gamble | Dispositivo de trampa para insectos y metodo de uso. |
EP3473092A1 (de) * | 2017-10-20 | 2019-04-24 | Biogents Aktiengesellschaft | Barriere gegen insekten |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988005310A1 (en) * | 1987-01-20 | 1988-07-28 | Bowen John G | Vaporizing unit |
EP0290159A2 (de) * | 1987-04-21 | 1988-11-09 | TDK Corporation | Heizvorrichtung mit Kaltleiter |
EP0362397A1 (de) * | 1988-02-10 | 1990-04-11 | Earth Chemical Co., Ltd. | Heiz-rauchgenerator |
DE9104709U1 (de) * | 1991-04-17 | 1991-06-06 | David + Baader - Dbk - Gmbh, 6744 Kandel, De |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1994932A (en) * | 1932-02-27 | 1935-03-19 | Vidal Pierre Lucien | System for vaporizing liquids and the absorption of smoke, evil odors, and the like |
US2611068A (en) * | 1946-04-12 | 1952-09-16 | William H Wellens | Pivotally mounted plug and vaporizer |
US2942090A (en) * | 1958-11-28 | 1960-06-21 | Charles C Diehl | Deodorizer with electrical heating element |
JPS6039528U (ja) * | 1983-08-26 | 1985-03-19 | 株式会社 共立 | スイツチ端子 |
US5222186A (en) * | 1991-12-06 | 1993-06-22 | Globol Gmbh | Electrical apparatus for vaporizing of active substances |
US5352122A (en) * | 1992-12-15 | 1994-10-04 | Speyer Henning J | Rotatable electrical connector |
-
1994
- 1994-08-03 EP EP94112152A patent/EP0696457B1/de not_active Expired - Lifetime
- 1994-08-03 DE DE59407811T patent/DE59407811D1/de not_active Expired - Lifetime
- 1994-08-03 ES ES94112152T patent/ES2129552T3/es not_active Expired - Lifetime
- 1994-08-03 AT AT94112152T patent/ATE176594T1/de not_active IP Right Cessation
-
1995
- 1995-07-24 WO PCT/EP1995/002917 patent/WO1996004021A1/de active IP Right Grant
- 1995-07-24 CN CN95194484A patent/CN1108828C/zh not_active Expired - Fee Related
- 1995-07-24 US US08/776,306 patent/US5926614A/en not_active Expired - Fee Related
- 1995-07-24 CA CA002196666A patent/CA2196666C/en not_active Expired - Fee Related
- 1995-07-24 JP JP8506151A patent/JP3057377B2/ja not_active Expired - Lifetime
- 1995-07-24 BR BR9508488A patent/BR9508488A/pt not_active Application Discontinuation
- 1995-07-24 AU AU31651/95A patent/AU683402B2/en not_active Ceased
- 1995-07-24 KR KR1019970700701A patent/KR100198096B1/ko not_active Application Discontinuation
-
1999
- 1999-04-29 GR GR990401160T patent/GR3030078T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988005310A1 (en) * | 1987-01-20 | 1988-07-28 | Bowen John G | Vaporizing unit |
EP0290159A2 (de) * | 1987-04-21 | 1988-11-09 | TDK Corporation | Heizvorrichtung mit Kaltleiter |
EP0362397A1 (de) * | 1988-02-10 | 1990-04-11 | Earth Chemical Co., Ltd. | Heiz-rauchgenerator |
DE9104709U1 (de) * | 1991-04-17 | 1991-06-06 | David + Baader - Dbk - Gmbh, 6744 Kandel, De |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2151846A1 (es) * | 1998-10-06 | 2001-01-01 | Mgi Coutier Espana S L | Perfeccionamientos introducidos en los aparatos evaporadores de productos quimicos. |
Also Published As
Publication number | Publication date |
---|---|
CA2196666C (en) | 1999-07-13 |
ATE176594T1 (de) | 1999-02-15 |
AU683402B2 (en) | 1997-11-06 |
JPH09510130A (ja) | 1997-10-14 |
DE59407811D1 (de) | 1999-03-25 |
AU3165195A (en) | 1996-03-04 |
JP3057377B2 (ja) | 2000-06-26 |
GR3030078T3 (en) | 1999-07-30 |
KR100198096B1 (ko) | 1999-06-15 |
CA2196666A1 (en) | 1996-02-15 |
CN1108828C (zh) | 2003-05-21 |
US5926614A (en) | 1999-07-20 |
BR9508488A (pt) | 1997-11-25 |
EP0696457B1 (de) | 1999-02-10 |
CN1154656A (zh) | 1997-07-16 |
KR970704479A (ko) | 1997-09-06 |
MX9700838A (es) | 1997-10-31 |
EP0696457A1 (de) | 1996-02-14 |
ES2129552T3 (es) | 1999-06-16 |
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