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公开(公告)号：US2757332A
公开(公告)日：1956-07-31
申请号：US40016653
申请日：1953-12-24
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： CARLCTON JAMES T , BURT DONALD A
IPC: H02P9/32
CPC classification number: H02P9/32
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