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公开(公告)号:US2545661A
公开(公告)日:1951-03-20
申请号:US66415346
申请日:1946-04-23
Applicant: ASEA AB
Inventor: NIKOLAUS HANSSON BROR OLOV
IPC: H01G2/08
CPC classification number: H01G2/08
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公开(公告)号:US2569306A
公开(公告)日:1951-09-25
申请号:US66415246
申请日:1946-04-23
Applicant: ASEA AB
Inventor: NIKOLAUS HANSSON BROR OLOV
IPC: H01G2/08
CPC classification number: H01G2/08
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