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公开(公告)号：US2915262A
公开(公告)日：1959-12-01
申请号：US68651057
申请日：1957-09-26
Applicant: DOUGLAS AIRCRAFT CO INC
Inventor： KLEIN HAROLD J
CPC classification number: F02C7/05 , B64D33/02 , B64D2033/022 , Y02T50/671
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