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发明名称
DISPOSITIF ET PROCEDE D'ALIMENTATION D'UN VOLUME DE CONFINEMENT POUR LA REALISATION D'UNE PAROI DE RENFORCEMENT D'UNE EXCAVATION, SANS CAROTTE
摘要
申请公布号
FR2881791(B1)
申请公布日期
2007.06.01
申请号
FR20050001263
申请日期
2005.02.08
申请人
PARRA ROBERT
发明人
PARRA ROBERT
分类号
E21D11/10;E04G21/02
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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