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发明名称
Drill apparatus
摘要
申请公布号
AU2010278662(A1)
申请公布日期
2012.02.09
申请号
AU20100278662
申请日期
2010.07.27
申请人
AUSDRILL LTD
发明人
ROESNER, MATTHEW;KOSTARELAS, MICHAEL
分类号
E21B21/12;E21B43/34
主分类号
E21B21/12
代理机构
代理人
主权项
地址
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