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公开(公告)号：US3211985A
公开(公告)日：1965-10-12
申请号：US16100761
申请日：1961-12-21
Applicant: ASEA AB
Inventor： VILMOS TOROK
CPC classification number: G05F1/44 , H02M1/08 , H02M1/081 , H02M7/151 , H02M7/1552 , H02M7/1557 , H02M7/525 , H02P7/293 , Y10S388/917
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公开(公告)号：US2982865A
公开(公告)日：1961-05-02
申请号：US80377959
申请日：1959-04-02
Applicant: ASEA AB
Inventor： VILMOS TOROK
IPC: H02P9/42
CPC classification number: H02P9/42 , Y10T307/576
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