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发明名称
PROCEDE ET DISPOSITIFS POUR INFORMER EN PERMANENCE LE CONDUCTEUR D'UN TUNNELIER DE LA NATURE DU TERRAIN EN FOND DE TAILLE
摘要
申请公布号
FR2874959(B1)
申请公布日期
2007.04.13
申请号
FR20040009473
申请日期
2004.09.07
申请人
BOUYGUES TRAVAUX PUBLICS SOCIETE ANONYME
发明人
MOULIN PIERRE;LONGCHAMP PIERRE;DE BROISSIA MICHEL;DERYCKE JEAN NOEL
分类号
E21D9/00;E21D9/11
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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