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经营范围
发明名称
Earth drill
摘要
申请公布号
GB2134160(A)
申请公布日期
1984.08.08
申请号
GB19840002146
申请日期
1984.01.27
申请人
* BSP INTERNATIONAL FOUNDATIONS LIMITED
发明人
* JESSUP ANTHONY KIETH EDWARD
分类号
E21B7/02;(IPC1-7):E21B7/02
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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