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经营范围
发明名称
Drill Barrel and Core Bit Clearer
摘要
申请公布号
AU2013100105(B4)
申请公布日期
2013.03.28
申请号
AU20130100105
申请日期
2013.02.04
申请人
O'CONNOR, BRIAN PATRICK
发明人
O'CONNOR, BRIAN PATRICK
分类号
E21B12/06
主分类号
E21B12/06
代理机构
代理人
主权项
地址
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