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公开(公告)号:US2057847A
公开(公告)日:1936-10-20
申请号:US51961931
申请日:1931-03-02
Applicant: S AND D ENGINEERING COMPANY
Inventor: SAWTELLE CHARLES A , DARMSTAETTER ARMIN A
IPC: F16D51/04
CPC classification number: F16D51/04
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公开(公告)号:US1998096A
公开(公告)日:1935-04-16
申请号:US47771430
申请日:1930-08-25
Applicant: S AND D ENGINEERING COMPANY
Inventor: SAWTELLE CHARLES A , DARMSTAETTER ARMIN A
IPC: F16D51/04
CPC classification number: F16D51/04
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公开(公告)号:US1950572A
公开(公告)日:1934-03-13
申请号:US45587330
申请日:1930-05-26
Applicant: S AND D ENGINEERING COMPANY
Inventor: SAWTELLE CHARLES A , DARMSTAETTER ARMIN A
IPC: F16D51/04
CPC classification number: F16D51/04
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公开(公告)号:US1926064A
公开(公告)日:1933-09-12
申请号:US37136929
申请日:1929-06-17
Applicant: S AND D ENGINEERING COMPANY
Inventor: SAWTELLE CHARLES A
IPC: F16D65/08
CPC classification number: F16D65/08
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