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发明名称
OPTICAL ELEMENT FOR VARIABLE TRAFFIC SIGNS
摘要
申请公布号
EP1593109(B1)
申请公布日期
2009.04.08
申请号
EP20030779554
申请日期
2003.12.23
申请人
SWARCO FUTURIT VERKEHRSSYSTEME GES.M.B.H.
发明人
SILHENGST, FRANZ;OTTO, ALEXANDER
分类号
G09F9/33;F21S8/00;G08G1/095;G09F13/04
主分类号
G09F9/33
代理机构
代理人
主权项
地址
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