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公开(公告)号：US2862753A
公开(公告)日：1958-12-02
申请号：US45787154
申请日：1954-09-23
Applicant: GEN MOTORS CORP
Inventor： PRIESTMAN BEWLEY D , HERTLEIN JOHN G
CPC classification number: E05B1/0038 , Y10T292/57
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