METHOD AND DEVICE FOR CEMENTING A WELL,申请号EP19940910448-传众专利搜索

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发明名称	METHOD AND DEVICE FOR CEMENTING A WELL
摘要
申请公布号	EP0689637(A1)	申请公布日期	1996.01.03
申请号	EP19940910448	申请日期	1994.03.22
申请人	DRILLFLEX	发明人	BERTET, ERIC;GUEGUEN, JEAN-MARIE;SALTEL, JEAN-LOUIS;SIGNORI, FREDERIC
分类号	E21B33/127;E21B33/14;E21B43/10;(IPC1-7):E21B33/14	主分类号	E21B33/127
代理机构		代理人
主权项
地址

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