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公开(公告)号:US2478602A
公开(公告)日:1949-08-09
申请号:US71402146
申请日:1946-12-04
Applicant: IRVING STEIN
Inventor: IRVING STEIN
IPC: G10F1/06
CPC classification number: G10F1/06
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公开(公告)号:US2296654A
公开(公告)日:1942-09-22
申请号:US38217441
申请日:1941-03-07
Applicant: IRVING STEIN , MAX RODIN
Inventor: IRVING STEIN , MAX RODIN
IPC: F16H33/10
CPC classification number: F16H33/10
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公开(公告)号:US2263747A
公开(公告)日:1941-11-25
申请号:US20847138
申请日:1938-05-17
Applicant: IRVING STEIN
Inventor: IRVING STEIN
IPC: B26B19/26
CPC classification number: B26B19/26
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公开(公告)号:US2049574A
公开(公告)日:1936-08-04
申请号:US2334335
申请日:1935-05-25
Applicant: IRVING STEIN
Inventor: IRVING STEIN
IPC: B26B19/04
CPC classification number: B26B19/042
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