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公开(公告)号:US2234466A
公开(公告)日:1941-03-11
申请号:US11825036
申请日:1936-12-30
Applicant: AUTOGIRO CO OF AMERICA
Inventor: LA CIERVA JUAN DE , LESLIE ELLIS GEORGE BERTRAND
IPC: B64C27/02
CPC classification number: B64C27/021
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公开(公告)号:US2247053A
公开(公告)日:1941-06-24
申请号:US24986339
申请日:1939-01-09
Applicant: AUTOGIRO CO OF AMERICA
Inventor: LESLIE ELLIS GEORGE BERTRAND
IPC: B64C27/02
CPC classification number: B64C27/025
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公开(公告)号:US2173153A
公开(公告)日:1939-09-19
申请号:US17391637
申请日:1937-11-10
Applicant: AUTOGIRO CO OF AMERICA
IPC: B64C27/02
CPC classification number: B64C27/021
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