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发明名称
Procédé d'établissement d'un ouvrage hydraulique et ouvrage hydraulique résultant de l'application de ce procédé
摘要
申请公布号
FR977065(A)
申请公布日期
1951.03.27
申请号
FRD977065
申请日期
1942.06.15
申请人
发明人
LAURENT JEAN
分类号
E02B3/06
主分类号
E02B3/06
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代理人
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