Rotating spool servo valve,申请号US19510204978-传众专利搜索

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发明名称	Rotating spool servo valve
摘要
申请公布号	US2664097(A)	申请公布日期	1953.12.29
申请号	US19510204978	申请日期	1951.01.08
申请人	NORTHROP AIRCRAFT, INC.	发明人	PARKER WARDE L.
分类号	B64C13/00;F15B13/12	主分类号	B64C13/00
代理机构		代理人
主权项
地址

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