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经营范围
发明名称
Rotary-winged aircraft and the operation thereof
摘要
申请公布号
US2192139(A)
申请公布日期
1940.02.27
申请号
US19340743877
申请日期
1934.09.13
申请人
AUTOGIRO COMPANY OF AMERICA
发明人
LARSEN AGNEW E.
分类号
B64C1/00
主分类号
B64C1/00
代理机构
代理人
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地址
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