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发明名称
Réalisation de l'étanchéité d'ouvrages en béton ou en maçonnerie soumis à des pressions hydrostatiques pouvant aller dans les deux sens, en particulier étanchéisation des galeries d'amenée d'eau aux centrales hydrauliques
摘要
申请公布号
FR1099147(A)
申请公布日期
1955.08.30
申请号
FRD1099147
申请日期
1954.02.11
申请人
SIPLAST
发明人
分类号
E02B3/16
主分类号
E02B3/16
代理机构
代理人
主权项
地址
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