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公开(公告)号：US2782863A
公开(公告)日：1957-02-26
申请号：US30244252
申请日：1952-08-02
Applicant: GEN MOTORS CORP
Inventor： CHRISTY PAUL J , DINSMORE ALBERT P
IPC: B64C11/30
CPC classification number: B64C11/303 , Y10T74/2154 , Y10T137/86622
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