Acidproof control valve,申请号US19530368924-传众专利搜索

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发明名称	Acidproof control valve
摘要
申请公布号	US2792845(A)	申请公布日期	1957.05.21
申请号	US19530368924	申请日期	1953.07.20
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	ATHERTON WILLIAM C.;FELPS NEWTON O.;FLETCHER CARNEY B.
分类号	F16K27/02	主分类号	F16K27/02
代理机构		代理人
主权项
地址

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