Hydraulic servo control valve,申请号US19550553477-传众专利搜索

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发明名称	Hydraulic servo control valve
摘要
申请公布号	US2822783(A)	申请公布日期	1958.02.11
申请号	US19550553477	申请日期	1955.12.16
申请人	NORTHROP AIRCRAFT, INC.	发明人	CLIFTON JOHN R.;PARKER WARDE L.
分类号	F15B13/04	主分类号	F15B13/04
代理机构		代理人
主权项
地址

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