| Publication number | US3598122 B1 |
| Publication type | Grant |
| Publication date | 23 Nov 1982 |
| Filing date | 1 Apr 1969 |
| Priority date | 1 Apr 1969 |
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| International Classification | |
| Cooperative Classification | |
| European Classification | A61F9/00B2 A61M31/00D A61M37/00 A61L15/58 A61K9/70E2D |
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