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发明名称
Directional drilling apparatus
摘要
申请公布号
GB2424909(A)
申请公布日期
2006.10.11
申请号
GB20060006436
申请日期
2005.04.05
申请人
TECHNOLOGY VENTURES INTERNATIONAL LIMITED
发明人
JAMES ADAM HEWSON;ALEXANDER CRAIG MACKAY;SIMON BENEDICT FRASER
分类号
E21B7/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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