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公开(公告)号：US3071670A
公开(公告)日：1963-01-01
申请号：US82430459
申请日：1959-07-01
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： YECKLEY RUSSELL N , REESE FRANK L
IPC: H01H33/02 , H01H33/91 , H01H33/915
CPC classification number: H01H33/91 , H01H33/022 , H01H2033/024
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