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发明名称
Drill string stabilizer
摘要
申请公布号
GB2164372(A)
申请公布日期
1986.03.19
申请号
GB19840030029
申请日期
1984.11.28
申请人
* METAL-X CORPORATION OF TEXAS
发明人
ALLEN KENT * RIVES
分类号
E21B17/10;E21B17/22;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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