Manually settable three-positioning metering valve,申请号US19400351308-传众专利搜索

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发明名称	Manually settable three-positioning metering valve
摘要
申请公布号	US2359992(A)	申请公布日期	1944.10.10
申请号	US19400351308	申请日期	1940.08.04
申请人	JOHNSON ROY W	发明人	JOHNSON ROY W.
分类号	F16K1/52;G01F3/38	主分类号	F16K1/52
代理机构		代理人
主权项
地址

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