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公开(公告)号：US1942609A
公开(公告)日：1934-01-09
申请号：US64284332
申请日：1932-11-16
Applicant: GRAUMAN COMPANY L
Inventor： LUDWIG FRANK W
IPC: B67D1/02
CPC classification number: B67D1/02 , Y10T74/20468 , Y10T74/2063
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