Self-operating pitch changing propeller and control therefor,申请号US19440553061-传众专利搜索

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发明名称	Self-operating pitch changing propeller and control therefor
摘要
申请公布号	US2504737(A)	申请公布日期	1950.04.18
申请号	US19440553061	申请日期	1944.09.07
申请人	SHARPES ROY E	发明人	SHARPES ROY E.
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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