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公开(公告)号：US2912675A
公开(公告)日：1959-11-10
申请号：US55957056
申请日：1956-01-17
Applicant: GEN MOTORS CORP
Inventor： STEFAN HABSBURG-LOTHRINGEN , EDWARD QUINN CLARK
CPC classification number: B60Q1/30 , B60Q1/2607 , B60Q1/34
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