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发明名称
UNDERREAMER
摘要
申请公布号
AU2003229211(A1)
申请公布日期
2003.12.19
申请号
AU20030229211
申请日期
2003.05.29
申请人
TESCO CORPORATION
发明人
BRUNO, H. WALTER;MARK, CLIFTON STOUT;CRISTIAN, MIHAI CATRINESCU
分类号
E21B10/32;(IPC1-7):E21B10/32
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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