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公开(公告)号:US2736843A
公开(公告)日:1956-02-28
申请号:US30086252
申请日:1952-07-25
Applicant: CUTLER HAMMER INC
Inventor: DOUGLAS JOHN F H , KOLB ARTHUR F
IPC: H01F7/18
CPC classification number: H01F7/18
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公开(公告)号:US2648034A
公开(公告)日:1953-08-04
申请号:US1857848
申请日:1948-04-02
Applicant: CUTLER HAMMER INC
Inventor: DOUGLAS JOHN F H , EVANS CLARENCE T
IPC: H01H47/20
CPC classification number: H01H47/20
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公开(公告)号:US2534423A
公开(公告)日:1950-12-19
申请号:US54618244
申请日:1944-07-22
Applicant: CUTLER HAMMER INC
Inventor: DOUGLAS JOHN F H , ERIC PELL , SEEGER EDWIN W
IPC: H02P3/24
CPC classification number: H02P3/24
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公开(公告)号:US2464122A
公开(公告)日:1949-03-08
申请号:US53595044
申请日:1944-05-17
Applicant: CUTLER HAMMER INC
Inventor: DOUGLAS JOHN F H , SEEGER EDWIN W
IPC: B66C13/26
CPC classification number: B66C13/26 , B66C2700/081
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