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经营范围
发明名称
Drilling apparatus
摘要
申请公布号
AUPN400195(D0)
申请公布日期
1995.07.27
申请号
AU1995PN04001
申请日期
1995.07.06
申请人
ABA-SUN PTY.LTD.
发明人
分类号
E21B6/00;E21B17/042;E21B17/07;E21B21/12;E21B25/04;E21B49/00
主分类号
E21B6/00
代理机构
代理人
主权项
地址
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