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发明名称
Methods of drilling with a downhole drilling machine
摘要
申请公布号
GB0722446(D0)
申请公布日期
2007.12.27
申请号
GB20070022446
申请日期
2007.11.15
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
主分类号
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代理人
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