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发明名称
DISPOSITIF DE REALISATION DE SAIGNEES DANS UNE PAROI D'UN TUNNEL
摘要
申请公布号
FR2923523(B1)
申请公布日期
2010.09.24
申请号
FR20070007874
申请日期
2007.11.09
申请人
NGE
发明人
DELOBELLE ROGER;VALLA ALAIN
分类号
E21D9/14;E21C25/16
主分类号
E21D9/14
代理机构
代理人
主权项
地址
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