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发明名称
Verfahren und Vorrichtung zum Bohren eines Unterwasserbohrlochs
摘要
申请公布号
DE69834545(D1)
申请公布日期
2006.06.22
申请号
DE19986034545
申请日期
1998.03.27
申请人
COOPER CAMERON CORP., HOUSTON
发明人
HOPPER, HANS PAUL;GARNHAM, DAVID
分类号
E21B7/12;E21B7/04;E21B17/01;E21B43/013;E21B43/30
主分类号
E21B7/12
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代理人
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