Propeller pitch control valve,申请号US19390274384-传众专利搜索

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发明名称	Propeller pitch control valve
摘要
申请公布号	US2246745(A)	申请公布日期	1941.06.24
申请号	US19390274384	申请日期	1939.05.18
申请人	UNITED AIRCRAFT CORPORATION	发明人	MARTIN ERLE;ANDERSON JOHN ELMER
分类号	B64C11/42	主分类号	B64C11/42
代理机构		代理人
主权项
地址

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