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经营范围
发明名称
Procédé et dispositifs perfectionnés pour l'exécution d'écrans ou rideaux, en béton
摘要
申请公布号
FR862291(A)
申请公布日期
1941.03.03
申请号
FRD862291
申请日期
1939.04.08
申请人
发明人
LOUIS PEIGNE JEAN,
分类号
E02D5/68
主分类号
E02D5/68
代理机构
代理人
主权项
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