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公开(公告)号：US2054961A
公开(公告)日：1936-09-22
申请号：US67689233
申请日：1933-06-21
Applicant: NORTHROP CORP
Inventor： ALLEN EDMUND T , KLEIN ARTHUR L , MILLIKAN CLARK B , NORTHROP JOHN K
IPC: B64C3/54
CPC classification number: B64C9/00 , B64C9/18 , B64C2009/005
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