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发明名称
Using equipment in a well system
摘要
申请公布号
OA11210(A)
申请公布日期
2003.07.18
申请号
OA19999900237
申请日期
1999.10.28
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
JOHANNIS JOSEPHUS DEN BOER;HUGH EDWARD SHEEHY
分类号
E21B23/00;E21B43/30;(IPC1-7):E21B43/01;E21B43/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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