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公开(公告)号：US2856983A
公开(公告)日：1958-10-21
申请号：US48739655
申请日：1955-02-10
Applicant: GEN MOTORS CORP
Inventor： PROBST DELBERT C , JOHNSON JOSEPH A
IPC: B60N2/12
CPC classification number: B60N2/123 , Y10T74/18944 , Y10T74/18976
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