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发明名称
Under Ground Drill Machine
摘要
申请公布号
KR200437200(Y1)
申请公布日期
2007.11.12
申请号
KR20060032529U
申请日期
2006.12.26
申请人
发明人
分类号
E21B10/00
主分类号
E21B10/00
代理机构
代理人
主权项
地址
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