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经营范围
发明名称
Hub structure for an aeronautical propeller
摘要
申请公布号
US2939536(A)
申请公布日期
1960.06.07
申请号
US19580732979
申请日期
1958.05.05
申请人
UNITED AIRCRAFT CORPORATION
发明人
JR. CHARLES M. KEARNS,
分类号
B64C11/02
主分类号
B64C11/02
代理机构
代理人
主权项
地址
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