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http://www.google.com.au/patents/US2495257?utm_source=gb-gplus-share
Patent US2495257 - DIAMOND ABRASIVE ARTICLE
DIAMOND ABRASIVE ARTICLE
Wallace H. Friberg et al
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Abstract
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Description
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Patent number
: 2495257
Filing date
: 18 Jun 1947
Issue date
: 24 Jan 1950
Inventors
:
Wallace H. Friberg
,
Wallace H. Friberg
Current U.S. Classification
:
51/309
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4024675
8 Dec 1975
24 May 1977
Method of producing aggregated abrasive grains
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