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公开(公告)号：US3543063A
公开(公告)日：1970-11-24
申请号：US3543063D
申请日：1969-06-30
Applicant: ASEA AB
Inventor： AGERMAN ERIK , ESSEN EDGAR , HELMERSSON SVEN , JONSSON BIRGER , KARSTEN OLAV , SIVERTSEN RICHARD , TJERNSTROM OVE
CPC classification number: A44B19/346 , H02K1/32 , H02K3/22
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