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经营范围
发明名称
Traffic control system
摘要
A traffic control system utilizes geometric or mathematical designs and/or secondary lights for traffic signals so as to allow red/green color blind individuals to determine whether the signal is for stop or go.
申请公布号
US8154423(B2)
申请公布日期
2012.04.10
申请号
US20050113885
申请日期
2005.04.25
申请人
WISEMAN JAY
发明人
WISEMAN JAY
分类号
G08G1/095;G08B5/00
主分类号
G08G1/095
代理机构
代理人
主权项
地址
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