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发明名称
Abrasiv slamleverende anordning og tilhörende fremgangsmåte
摘要
申请公布号
NO963448(A)
申请公布日期
1997.03.19
申请号
NO19960003448
申请日期
1996.08.19
申请人
HALLIBURTON CO
发明人
HENDRICKSON, JAMES D.;O'NEAL, DEAN S.;GUILLOT, SIDNEY J.;FINLEY, RONNIE D.
分类号
E21B17/10;E21B43/26;(IPC1-7):E21B33/138
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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