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发明名称
Drill string stabiliser
摘要
申请公布号
EP1650400(B1)
申请公布日期
2008.04.23
申请号
EP20040105166
申请日期
2004.10.20
申请人
EUROPEAN DRILLING PROJECTS B.V.
发明人
NEWMAN, MICHAEL THOMAS
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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