Rotary type hydraulic valve,申请号US19590830551-传众专利搜索

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发明名称	Rotary type hydraulic valve
摘要
申请公布号	US3021869(A)	申请公布日期	1962.02.20
申请号	US19590830551	申请日期	1959.07.30
申请人	ROSS JAMES F	发明人	ROSS JAMES F.
分类号	F15B13/04;F16K11/085	主分类号	F15B13/04
代理机构		代理人
主权项
地址

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