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发明名称
COMPLEXE D'ETANCHEITE D'OUVRAGE ROUTIER ET PROCEDE POUR SA MISE EN ÓOEUVRE.
摘要
申请公布号
FR2661928(B2)
申请公布日期
1992.10.30
申请号
FR19900005988
申请日期
1990.05.14
申请人
LEFEBVRE ENTR JEAN
发明人
MAURICE VIVIER
分类号
E01D19/08;(IPC1-7):E01C9/00;C09D195/00;E01C11/00
主分类号
E01D19/08
代理机构
代理人
主权项
地址
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