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发明名称
Toveis gripemekanisme for et stort omfang boringsstörrelser
摘要
申请公布号
NO20023658(A)
申请公布日期
2003.02.04
申请号
NO20020003658
申请日期
2002.08.01
申请人
SCHLUMBERGER TECHNOLOGY BV
发明人
POST, ROGER A;SHEIRETOV, TODOR K;ROY, CARL J;CORDERA, JOSEPH F
分类号
E21B17/10;E21B23/00;E21B23/04;(IPC1-7):E21B23/00;E21B23/14
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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