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公开(公告)号:US3072400A
公开(公告)日:1963-01-08
申请号:US85308959
申请日:1959-11-16
Applicant: DYKINGA DONALD L
Inventor: DYKINGA DONALD L
CPC classification number: A63B21/154 , A61H1/02 , A63B21/06 , A63B23/00
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公开(公告)号:US3118443A
公开(公告)日:1964-01-21
申请号:US16558562
申请日:1962-01-11
Applicant: DYKINGA DONALD L
Inventor: DYKINGA DONALD L
IPC: A61H1/02
CPC classification number: A61H1/0218 , A61H2201/1607 , Y10S128/15
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