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公开(公告)号:US2458237A
公开(公告)日:1949-01-04
申请号:US997648
申请日:1948-02-21
Applicant: ASEA AB
Inventor: HELGE ARNEMO
IPC: H02K17/16
CPC classification number: H02K17/165
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公开(公告)号:US2436414A
公开(公告)日:1948-02-24
申请号:US53473444
申请日:1944-05-09
Applicant: ASEA AB
Inventor: HELGE ARNEMO
IPC: H02K49/02
CPC classification number: H02K49/02
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