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公开(公告)号：US3043323A
公开(公告)日：1962-07-10
申请号：US85825759
申请日：1959-12-08
Applicant: RCA CORP
Inventor： MARK JOHN T , GANTZ IRA H
CPC classification number: F04F9/04 , F16K51/02 , Y10T137/1624
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