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经营范围
发明名称
Directional drilling apparatus
摘要
申请公布号
GB2377232(A)
申请公布日期
2003.01.08
申请号
GB20010016159
申请日期
2001.07.02
申请人
* ANTECH LIMITED
发明人
ANTONI * MISZEWSKI
分类号
E21B7/06;E21B7/08;E21B47/024;(IPC1-7):E21B7/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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