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发明名称
Propeller
摘要
申请公布号
US1923054(A)
申请公布日期
1933.08.15
申请号
US19320646510
申请日期
1932.12.09
申请人
THE AMERICAN GYRO CO.
发明人
HOLMES EDGAR R.;SHELTON THOMAS M.
分类号
B64C11/24
主分类号
B64C11/24
代理机构
代理人
主权项
地址
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