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公开(公告)号:US2462155A
公开(公告)日:1949-02-22
申请号:US63289345
申请日:1945-12-05
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/20
CPC classification number: B23B31/204 , Y10T279/1266 , Y10T279/17521
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公开(公告)号:US2547518A
公开(公告)日:1951-04-03
申请号:US13026249
申请日:1949-11-30
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/08
CPC classification number: B23B31/08 , Y10T279/17017
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公开(公告)号:US2515183A
公开(公告)日:1950-07-18
申请号:US5038848
申请日:1948-09-21
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/20
CPC classification number: B23B31/204 , Y10T279/1266 , Y10T279/17521
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公开(公告)号:US2436848A
公开(公告)日:1948-03-02
申请号:US63289445
申请日:1945-12-05
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/20
CPC classification number: B23B31/201 , Y10T279/17521 , Y10T279/17529
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公开(公告)号:US2600960A
公开(公告)日:1952-06-17
申请号:US6411648
申请日:1948-12-08
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
CPC classification number: B23Q16/06 , B23Q1/68 , Y10T74/1453
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公开(公告)号:US2570752A
公开(公告)日:1951-10-09
申请号:US1668648
申请日:1948-03-24
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/08
CPC classification number: B23B31/08 , Y10T279/17017 , Y10T279/17435 , Y10T279/26 , Y10T279/35
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公开(公告)号:US2358299A
公开(公告)日:1944-09-19
申请号:US46659342
申请日:1942-11-23
Applicant: BENJAMIN
Inventor: BENJAMIN MILTON L , WINNEN FRANKLYN E
IPC: B23B31/20
CPC classification number: B23B31/20 , Y10T279/17512
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