Process for treating oil wells,申请号US19390264482-传众专利搜索

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发明名称	Process for treating oil wells
摘要
申请公布号	US2221353(A)	申请公布日期	1940.11.12
申请号	US19390264482	申请日期	1939.03.27
申请人	SHELL DEVELOPMENT COMPANY	发明人	LIMERICK DONALD A.;LAWTON HOWARD C.
分类号	C09K8/524;E21B36/00	主分类号	C09K8/524
代理机构		代理人
主权项
地址

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