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公开(公告)号:US3238556A
公开(公告)日:1966-03-08
申请号:US27861963
申请日:1963-05-07
Applicant: MARTIN ELMER A
Inventor: MARTIN ELMER A
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公开(公告)号:US3009188A
公开(公告)日:1961-11-21
申请号:US68675657
申请日:1957-09-27
Applicant: MARTIN ELMER A
Inventor: MARTIN ELMER A
CPC classification number: A45D20/14 , A61H7/00 , A61H9/005 , A61H9/0071 , A61H2201/0207 , A61H2201/0228 , A61H2201/025
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公开(公告)号:US2512955A
公开(公告)日:1950-06-27
申请号:US62239145
申请日:1945-10-15
Applicant: MARTIN ELMER A
Inventor: MARTIN ELMER A
IPC: E01C19/20
CPC classification number: E01C19/203 , Y10T74/1506
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