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发明名称
AIRCRAFT PROPELLER
摘要
申请公布号
CA383295(A)
申请公布日期
1939.08.08
申请号
CAD383295
申请日期
申请人
UNITED AIRCRAFT CORPORATION
发明人
THOMAS A. DICKS
分类号
主分类号
代理机构
代理人
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