Method of preventing paraffin deposits in oil wells,申请号US19420428809-传众专利搜索

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发明名称	Method of preventing paraffin deposits in oil wells
摘要
申请公布号	US2368777(A)	申请公布日期	1945.02.06
申请号	US19420428809	申请日期	1942.01.30
申请人	PRICE ELMER F	发明人	PRICE ELMER F.
分类号	E21B37/00	主分类号	E21B37/00
代理机构		代理人
主权项
地址

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