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经营范围
发明名称
Variable pitch propeller
摘要
申请公布号
US3003566(A)
申请公布日期
1961.10.10
申请号
US19580766611
申请日期
1958.10.10
申请人
GENERAL MOTORS CORPORATION
发明人
CONN FRANCIS E.;COVERT CALVIN C.;MORICE ELTON K.;WEIS WILLIAM A.
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
主权项
地址
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