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公开(公告)号：US2626669A
公开(公告)日：1953-01-27
申请号：US3762448
申请日：1948-07-08
Applicant: GEN MOTORS CORP
Inventor： MOORE RICHARD E , MACK JAMES F
IPC: B64C11/30
CPC classification number: B64C11/303
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