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公开(公告)号：US2786538A
公开(公告)日：1957-03-26
申请号：US28541652
申请日：1952-05-01
Applicant: GEN MOTORS CORP
Inventor： BLACKBURN MACK O , GARBER SELWYN E , WRIGHT CLIFFORD B
IPC: B64C11/24
CPC classification number: B64C11/24 , Y10T29/49334
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