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发明名称
Formasjonavstengningsventil
摘要
申请公布号
NO20030697(D0)
申请公布日期
2003.02.13
申请号
NO20030000697
申请日期
2003.02.13
申请人
SCHLUMBERGER TECHNOLOGY BV
发明人
PATEL, DINESH R;HILL, DAVID A;DAVIS, JABUS T;LAMONT, DAVID T;HARDING, CHARLES D
分类号
E21B34/06;E21B34/10;(IPC1-7):E21B
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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