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发明名称
ROTARY-WING AIRCRAFT
摘要
申请公布号
CA459428(A)
申请公布日期
1949.09.06
申请号
CAD459428
申请日期
申请人
AUTOGIRO COMPANY OF AMERICA
发明人
PAUL H. STANLEY
分类号
主分类号
代理机构
代理人
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