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公开(公告)号：US2989684A
公开(公告)日：1961-06-20
申请号：US77702358
申请日：1958-11-28
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： SMERILLO ORLANDO U , ABELL DONALD E
IPC: H02P5/50
CPC classification number: H02P5/50
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