Control device for variable pitch propellers,申请号US19390297931-传众专利搜索

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发明名称	Control device for variable pitch propellers
摘要
申请公布号	US2407317(A)	申请公布日期	1946.09.10
申请号	US19390297931	申请日期	1939.10.04
申请人	LOUIS MENNESSON MARCEL	发明人	MENNESSON MARCEL LOUIS
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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