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公开(公告)号:US880664A
公开(公告)日:1908-03-03
申请号:US1907352418
申请日:1907-01-15
Applicant: HILLIARD WILLIAM J
Inventor: HILLIARD WILLIAM J
CPC classification number: F16D13/683
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公开(公告)号:US2137649A
公开(公告)日:1938-11-22
申请号:US10720136
申请日:1936-10-23
Applicant: HILLIARD WILLIAM J
Inventor: HILLIARD WILLIAM J
CPC classification number: F01B7/06 , F01B3/08 , Y10T74/18312
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