NON-SEIZE MATERIAL ATTACHMENT FOR A DRILL SLIP SYSTEM,申请号EP20020768975-传众专利搜索

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发明名称	NON-SEIZE MATERIAL ATTACHMENT FOR A DRILL SLIP SYSTEM
摘要
申请公布号	EP1472433(B1)	申请公布日期	2006.12.13
申请号	EP20020768975	申请日期	2002.10.04
申请人	VARCO I/P, INC.	发明人	VAN RIJZINGEN, J., W., H.;ROLING, RONALDUS, R., M.;MASON, DAVID, B.
分类号	E21B19/10;E21B19/00;E21B23/01;E21B29/12	主分类号	E21B19/10
代理机构		代理人
主权项
地址

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