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发明名称
A tool and method of boring and filling the borehole with concrete without removing soil therefrom.
摘要
申请公布号
EP0664373(A3)
申请公布日期
1996.04.24
申请号
EP19950100599
申请日期
1995.01.18
申请人
SOILMEC S.P.A.
发明人
PEDRELLI, MARCO
分类号
E02D5/36;E21B7/26;E21B10/08;E21B10/20;E21B33/13;(IPC1-7):E21B10/08
主分类号
E02D5/36
代理机构
代理人
主权项
地址
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