Hydraulic control for butterfly valves,申请号US19500191139-传众专利搜索

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发明名称	Hydraulic control for butterfly valves
摘要
申请公布号	US2759697(A)	申请公布日期	1956.08.21
申请号	US19500191139	申请日期	1950.10.20
申请人	CAMPHAUSEN FRED H;HILLIER EDWARD W	发明人	CAMPHAUSEN FRED H.;HILLIER EDWARD W.
分类号	F16K1/22;F16K31/36	主分类号	F16K1/22
代理机构		代理人
主权项
地址

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