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发明名称
Einrichtung für die Regelung der Lüftung in Tunnels
摘要
申请公布号
DE20214462(U1)
申请公布日期
2002.12.19
申请号
DE20022014462U
申请日期
2002.09.18
申请人
GANDE, ASTRID
发明人
分类号
E21F1/00;(IPC1-7):E21F1/08;A62C3/00;F24F11/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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