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发明名称
Borestrengsavlederanordning og -fremgangsmåte
摘要
申请公布号
NO20002713(A)
申请公布日期
2000.11.29
申请号
NO20000002713
申请日期
2000.05.26
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
ROGERS, HENRY E.;DUKE, WESLEY G;HALLMAN, MILLARD;STEWART, TOMMY T
分类号
E21B21/10;E21B23/12;E21B34/14;(IPC1-7):E21B21/00
主分类号
E21B21/10
代理机构
代理人
主权项
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