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发明名称
Expandable downhole tool, drilling assembly and method
摘要
申请公布号
GB0410269(D0)
申请公布日期
2004.06.09
申请号
GB20040010269
申请日期
2004.05.07
申请人
SMITH INTERNATIONAL INC
发明人
分类号
E21B10/32
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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