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公开(公告)号：US2414555A
公开(公告)日：1947-01-21
申请号：US47448443
申请日：1943-02-02
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： PIERSON PAUL R , SINCLAIR GILBERT C
IPC: H02B1/00
CPC classification number: H02B1/00
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