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发明名称
SIGNAL LIGHT, ESPECIALLY FOR PLACING IN TUNNELS AND GALLERIES
摘要
申请公布号
EP1185969(A1)
申请公布日期
2002.03.13
申请号
EP20000931501
申请日期
2000.06.14
申请人
NIGG, JUERG
发明人
NIGG, JUERG
分类号
G09F13/04;(IPC1-7):G09F13/04
主分类号
G09F13/04
代理机构
代理人
主权项
地址
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