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公开(公告)号：US2875630A
公开(公告)日：1959-03-03
申请号：US70309257
申请日：1957-12-16
Applicant: GEN MOTORS CORP
Inventor： DOUGLAS GILL , SYRING JEAN V
CPC classification number: F16H25/2204 , E05Y2201/628 , F16H25/2454 , Y10T74/18704
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