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公开(公告)号：US3403538A
公开(公告)日：1968-10-01
申请号：US58180566
申请日：1966-09-26
Applicant: GEN MOTORS CORP
Inventor： ANDREW MARGARET J , BULLOCK NORMAN J , SISSON KENNETH J
CPC classification number: D06F33/02 , D06F13/04 , D06F2202/06 , D06F2212/00
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