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发明名称
Jetted underreamer assembly
摘要
申请公布号
GB201117465(D0)
申请公布日期
2011.11.23
申请号
GB20110017465
申请日期
2010.04.14
申请人
TESCO CORPORATION
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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