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公开(公告)号：US2836768A
公开(公告)日：1958-05-27
申请号：US37858653
申请日：1953-09-04
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： EDWARDS ANDREW W , MEYER WILLIAM G
IPC: H01H75/04
CPC classification number: H01H75/04
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