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发明名称
DEVICE FOR SIGNAL SAFETY IN LIGHT SIGN ARRANGEMENTS
摘要
申请公布号
EP0137964(A3)
申请公布日期
1987.09.23
申请号
EP19840109815
申请日期
1984.08.17
申请人
STUHRENBERG, ROLF
发明人
HAARMANN, PETER
分类号
G08G1/097;(IPC1-7):G08G1/097
主分类号
G08G1/097
代理机构
代理人
主权项
地址
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