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经营范围
发明名称
BORESTRENGSTABILISATOR.
摘要
申请公布号
NO844544(A)
申请公布日期
1986.03.14
申请号
NO19840004544
申请日期
1984.11.14
申请人
METAL-X CORPORATION OF TEXAS,
发明人
RIVES, ALLEN KENT,
分类号
E21B17/10;E21B17/22;(IPC1-7):E21B/
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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