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发明名称
VORRICHTUNG UND VERFAHREN GEEIGNET FÜR BOHRLOCHREINIGUNG WÄHREND DES BOHRENS
摘要
申请公布号
AT389095(T)
申请公布日期
2008.03.15
申请号
AT20050290454T
申请日期
2005.02.28
申请人
SCHLUMBERGER TECHNOLOGY B.V.
发明人
LAVRUT, ERIC;FOTIO-KENNE, SERGE
分类号
E21B17/20;E21B4/04
主分类号
E21B17/20
代理机构
代理人
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