Dual valve for fluids,申请号US19490071248-传众专利搜索

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发明名称	Dual valve for fluids
摘要
申请公布号	US2555188(A)	申请公布日期	1951.05.29
申请号	US19490071248	申请日期	1949.01.17
申请人	ETZENHOUSER FREDERICK H	发明人	ETZENHOUSER FREDERICK H.
分类号	F16K43/00	主分类号	F16K43/00
代理机构		代理人
主权项
地址

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