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经营范围
发明名称
Installation de ventilation de tunnels
摘要
申请公布号
FR1349079(A)
申请公布日期
1964.01.10
申请号
FR19630927046
申请日期
1963.03.06
申请人
发明人
LAGIER-BRUNO LUCIEN
分类号
E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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