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公开(公告)号：US2911523A
公开(公告)日：1959-11-03
申请号：US65877757
申请日：1957-05-13
Applicant: GEN MOTORS CORP
Inventor： FALGE ROBERT N , BROSHAR GERALD R , RAY MANNING
IPC: B60Q1/068
CPC classification number: B60Q1/0683
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