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发明名称
Drivng a tubular member into the ground
摘要
申请公布号
GB2317405(A)
申请公布日期
1998.03.25
申请号
GB19960019435
申请日期
1996.09.18
申请人
* J MURPHY & SONS LIMITED
发明人
JAMES MARTIN * O'CALLAGHAN
分类号
E21D9/00;E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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