A fluid-flow regulating valve,申请号GB19470017577-传众专利搜索

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发明名称	A fluid-flow regulating valve
摘要
申请公布号	GB648890(A)	申请公布日期	1951.01.17
申请号	GB19470017577	申请日期	1947.07.03
申请人	PAPIERFABRIK BALSTHAL A.G.	发明人
分类号	G05D7/03	主分类号	G05D7/03
代理机构		代理人
主权项
地址

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