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公开(公告)号:US2203345A
公开(公告)日:1940-06-04
申请号:US20455838
申请日:1938-04-27
Applicant: GLENN L MARTIN CO
Inventor: MICHAEL WATTER
IPC: B64D7/02
CPC classification number: B64D7/02
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公开(公告)号:US2176817A
公开(公告)日:1939-10-17
申请号:US24873838
申请日:1938-12-31
Applicant: GLENN L MARTIN CO
Inventor: JACOBSON JOEL M , MICHAEL WATTER
IPC: B64C13/00
CPC classification number: B64C13/00
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公开(公告)号:US2158598A
公开(公告)日:1939-05-16
申请号:US17720237
申请日:1937-11-30
Applicant: GLENN L MARTIN CO
Inventor: MICHAEL WATTER
IPC: B64C13/00
CPC classification number: B64C13/00 , Y10T74/1872
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