Reversible fluid flow metering valve device,申请号GB19580004470-传众专利搜索

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发明名称	Reversible fluid flow metering valve device
摘要
申请公布号	GB837927(A)	申请公布日期	1960.06.15
申请号	GB19580004470	申请日期	1958.02.11
申请人	ROSS OPERATING VALVE COMPANY	发明人
分类号	F16K15/04;F16K31/36;G05D7/01	主分类号	F16K15/04
代理机构		代理人
主权项
地址

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