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经营范围
发明名称
Aircraft with rotative sustaining blades or wings
摘要
申请公布号
US1894418(A)
申请公布日期
1933.01.17
申请号
US19310547203
申请日期
1931.06.27
申请人
AUTOGIRO COMPANY OF AMERICA
发明人
PITCAIRN HAROLD F.
分类号
B64C27/02
主分类号
B64C27/02
代理机构
代理人
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地址
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