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公开(公告)号：US2394086A
公开(公告)日：1946-02-05
申请号：US43139442
申请日：1942-02-18
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： LUDWIG LEON R , BAKER BENJAMIN P , BAKKEN ANDREW H
IPC: H01H33/52
CPC classification number: H01H33/52 , Y10S60/911
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