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公开(公告)号：US2404982A
公开(公告)日：1946-07-30
申请号：US57270345
申请日：1945-01-13
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： OWENS JAMES B , HITSON ROBERT H
IPC: H01H47/02
CPC classification number: H01H47/02
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