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公开(公告)号：US2488454A
公开(公告)日：1949-11-15
申请号：US66897646
申请日：1946-05-10
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： WALLACE JAMES M , EAST MCKEESPORT , OWENS JAMES B
IPC: H01H85/44
CPC classification number: H01H85/44
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