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公开(公告)号：US3081652A
公开(公告)日：1963-03-19
申请号：US55013455
申请日：1955-11-30
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： WRIGHT RALPH H , STRINGER LOREN F
CPC classification number: B21B38/105 , B21H7/007
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公开(公告)号：US2412933A
公开(公告)日：1946-12-17
申请号：US47450043
申请日：1943-02-03
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： WRIGHT RALPH H , WATSON EARL C
IPC: H02P5/68
CPC classification number: H02P5/68 , Y10T307/576
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