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公开(公告)号:US1783393A
公开(公告)日:1930-12-02
申请号:US15687126
申请日:1926-12-24
Applicant: GEN MOTORS RES CORP
Inventor: STERLING CLAUDE H
IPC: F16H3/04
CPC classification number: F16H3/04 , Y10T74/19237 , Y10T74/19312
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公开(公告)号:US1815626A
公开(公告)日:1931-07-21
申请号:US23621827
申请日:1927-11-28
Applicant: GEN MOTORS RES CORP
Inventor: LEE CHARLES L , STERLING CLAUDE H
IPC: B21K1/54
CPC classification number: B21K1/54 , Y10T29/49474
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