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公开(公告)号：US3427471A
公开(公告)日：1969-02-11
申请号：US3427471D
申请日：1965-11-23
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： SOUTH WILLIAM H
CPC classification number: H02J3/1885 , G01R25/00 , Y02E40/32
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