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发明名称
Highway information system
摘要
申请公布号
EP0419248(B1)
申请公布日期
1996.11.20
申请号
EP19900310282
申请日期
1990.09.20
申请人
ULTRADATA SYSTEMS, INCORPORATED
发明人
ROSS, MONTE;PETERSON, MARK K.;MISSLER, LEONARD R.
分类号
G09B29/10;(IPC1-7):G09B29/10
主分类号
G09B29/10
代理机构
代理人
主权项
地址
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