| Publication number | US3814096 B1 |
| Publication type | Grant |
| Publication date | 4 Oct 1988 |
| Filing date | 9 Mar 1973 |
| Priority date | 9 Mar 1973 |
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| International Classification | |
| Cooperative Classification | |
| European Classification | A61F13/12A A61F13/00B6 A61M35/00B2 |
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