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发明名称
Flugzeug mit frei umlaufenden Tragfluegeln
摘要
申请公布号
DE523753(C)
申请公布日期
1931.04.27
申请号
DED523753D
申请日期
1930.07.13
申请人
THE CIERVA AUTOGIRO COMPANY LTD.
发明人
分类号
B64C27/02
主分类号
B64C27/02
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