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发明名称
Rotating-wing aircraft
摘要
申请公布号
US2217108(A)
申请公布日期
1940.10.08
申请号
US19380226399
申请日期
1938.08.23
申请人
HENRICH FOCKE
发明人
FOCKE HENRICH
分类号
B64C1/00
主分类号
B64C1/00
代理机构
代理人
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