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公开(公告)号：US2655575A
公开(公告)日：1953-10-13
申请号：US78720647
申请日：1947-11-20
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： WALLACE JAMES M , STIRLING JR JOHN W
IPC: H01H75/04
CPC classification number: H01H75/04
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