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公开(公告)号:US1760088A
公开(公告)日:1930-05-27
申请号:US30195028
申请日:1928-08-25
Applicant: CUTLER HAMMER INC
Inventor: SEEGER EDWIN W
IPC: H02J1/10
CPC classification number: H02J1/10 , Y10T307/576
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公开(公告)号:US1757339A
公开(公告)日:1930-05-06
申请号:US30637428
申请日:1928-09-17
Applicant: CUTLER HAMMER INC
Inventor: SEEGER EDWIN W
IPC: H02P1/36
CPC classification number: H02P1/36
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公开(公告)号:US1752032A
公开(公告)日:1930-03-25
申请号:US29248428
申请日:1928-07-13
Applicant: CUTLER HAMMER INC
Inventor: SEEGER EDWIN W
IPC: H02K47/04
CPC classification number: H02K47/04
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