METODO PARA LA RECUPERACION SECUNDARIA DE PETROLEO,申请号AR19780271321-传众专利搜索

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发明名称	METODO PARA LA RECUPERACION SECUNDARIA DE PETROLEO
摘要
申请公布号	AR217838(Q)	申请公布日期	1980.04.30
申请号	AR19780271321	申请日期	1978.03.06
申请人	LUBRIZOL CORP	发明人
分类号	E21B43/16;(IPC1-7):E21B43/16	主分类号	E21B43/16
代理机构		代理人
主权项
地址

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