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公开(公告)号:US2571580A
公开(公告)日:1951-10-16
申请号:US7007349
申请日:1949-01-10
Applicant: ERICSSON TELEFON AB L M
Inventor: OSSIAN JORGENSEN ANDERS
IPC: H01H50/28
CPC classification number: H01H50/28
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公开(公告)号:US2432573A
公开(公告)日:1947-12-16
申请号:US51222643
申请日:1943-11-29
Applicant: ERICSSON TELEFON AB L M
Inventor: OSSIAN JORGENSEN ANDERS
IPC: H02K21/14
CPC classification number: H02K21/145 , H02K2201/12
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