Dehydration system for oil wells,申请号US19380192384-传众专利搜索

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发明名称	Dehydration system for oil wells
摘要
申请公布号	US2188018(A)	申请公布日期	1940.01.23
申请号	US19380192384	申请日期	1938.02.24
申请人	DUNCAN TANK & WELDING CO.	发明人	STEWART RAY
分类号	E21B43/34	主分类号	E21B43/34
代理机构		代理人
主权项
地址

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