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发明名称
Drilling apparatus
摘要
申请公布号
AU2009243911(A1)
申请公布日期
2009.11.12
申请号
AU20090243911
申请日期
2009.05.05
申请人
MONTRAE MINING PTY LTD
发明人
MONTE HOCKING
分类号
E21B17/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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