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公开(公告)号：US2686867A
公开(公告)日：1954-08-17
申请号：US18588850
申请日：1950-09-20
Applicant: GEN MOTORS CORP
Inventor： LEWELLEN JR ALBERT R , DIEDRING JOHN H , CLAYTON DAVID P , FALGE ROBERT N
IPC: B60Q1/068
CPC classification number: B60Q1/0683
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