Apparatus for controlling the volume of flow of fluids,申请号US19390267007-传众专利搜索

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发明名称	Apparatus for controlling the volume of flow of fluids
摘要
申请公布号	US2258758(A)	申请公布日期	1941.10.14
申请号	US19390267007	申请日期	1939.04.10
申请人	HAULTAIN HERBERT E T	发明人	HAULTAIN HERBERT E. T.
分类号	G05D7/01	主分类号	G05D7/01
代理机构		代理人
主权项
地址

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