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发明名称
Aircraft having sustaining rotors
摘要
申请公布号
US1971016(A)
申请公布日期
1934.08.21
申请号
US19310561344
申请日期
1931.09.05
申请人
AUTOGIRO COMPANY OF AMERICA
发明人
PECKER JOSEPH S.
分类号
B64C27/02
主分类号
B64C27/02
代理机构
代理人
主权项
地址
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