CEMENTING SYSTEM FOR WELLBORES,申请号EP20020773510-传众专利搜索

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发明名称	CEMENTING SYSTEM FOR WELLBORES
摘要
申请公布号	EP1438482(A4)	申请公布日期	2005.10.26
申请号	EP20020773510	申请日期	2002.09.20
申请人		发明人
分类号	E21B21/10;E21B33/16;(IPC1-7):E21B33/16	主分类号	E21B21/10
代理机构		代理人
主权项
地址

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