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公开(公告)号:US2107510A
公开(公告)日:1938-02-08
申请号:US8142836
申请日:1936-05-23
Applicant: SKINNER CHAME D , BRADLEY LEO C
Inventor: SKINNER CHAME D , BRADLEY LEO C
IPC: B21C29/00
CPC classification number: B21C29/00 , Y10T29/49988
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公开(公告)号:US2176365A
公开(公告)日:1939-10-17
申请号:US13056937
申请日:1937-03-12
Applicant: SKINNER CHAME D , BRADLEY LEO C
Inventor: SKINNER CHAME D , BRADLEY LEO C
IPC: B21C35/02
CPC classification number: B21C35/02 , Y10T29/5184
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公开(公告)号:US2176364A
公开(公告)日:1939-10-17
申请号:US13056837
申请日:1937-03-12
Applicant: SKINNER CHAME D , BRADLEY LEO C
Inventor: SKINNER CHAME D , BRADLEY LEO C
IPC: B21C25/02
CPC classification number: B21C25/02
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