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发明名称
Vibration damping system for drilling equipment
摘要
申请公布号
GB0622111(D0)
申请公布日期
2006.12.20
申请号
GB20060022111
申请日期
2006.11.07
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B47/01
主分类号
E21B47/01
代理机构
代理人
主权项
地址
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