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发明名称
PROCEDE ET SYSTEME DE FORAGE DE PUITS POUR LA REALISATION DE PIEUX MOULES
摘要
申请公布号
FR2831205(B1)
申请公布日期
2004.05.14
申请号
FR20010013717
申请日期
2001.10.24
申请人
COMPAGNIE DU SOL
发明人
SHERWOOD DAVID
分类号
E21B7/00;E02D5/36;E02D7/00;E21B10/26;E21B10/44;(IPC1-7):E21B10/44
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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