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经营范围
发明名称
Isolation of subterranean zones
摘要
申请公布号
GB2398322(A)
申请公布日期
2004.08.18
申请号
GB20040003921
申请日期
2002.11.01
申请人
* SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
ROBERT LANCE * COOK;LEV * RING;KEVIN * WADDELL;DAVID PAUL * BRISCO
分类号
E21B33/124;E21B43/00;E21B43/10;E21B43/12;E21B43/14;(IPC1-7):E21B43/14;E21B43/02
主分类号
E21B33/124
代理机构
代理人
主权项
地址
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