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公开(公告)号：US3090646A
公开(公告)日：1963-05-21
申请号：US5506960
申请日：1960-09-09
Applicant: GEN MOTORS CORP
Inventor： JOHNSON ROY E
IPC: B60J7/12
CPC classification number: B60J7/123
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公开(公告)号：US3504168A
公开(公告)日：1970-03-31
申请号：US3504168D
申请日：1968-01-15
Applicant: GEN MOTORS CORP
Inventor： JOHNSON ROY E , LOEFFLER JOSEPH F , URBAN DONALD F
CPC classification number: B60Q1/05
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