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公开(公告)号：US2470608A
公开(公告)日：1949-05-17
申请号：US54543844
申请日：1944-07-18
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： EASLEY GILBERT J , BONINE RALPH O
IPC: H01H33/32
CPC classification number: H01H33/32
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