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发明名称
Drilling arrangement and clamping arrangement therefor
摘要
申请公布号
AU2013201502(A1)
申请公布日期
2013.04.11
申请号
AU20130201502
申请日期
2012.09.05
申请人
OCEAN TECHNOLOGIES LIMITED
发明人
COOPER, PATRICK JOHN;BEREND, PAUL HENRY;FERGUS, DOUGAL JOHN
分类号
E21B7/128
主分类号
E21B7/128
代理机构
代理人
主权项
地址
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