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经营范围
发明名称
Variable speed traffic control system
摘要
A variable speed limit sign including a controller and a display operatively coupled to the controller is provided. A traffic control system including a variable speed limit sign and methods of use thereof are also provided.
申请公布号
US8711005(B2)
申请公布日期
2014.04.29
申请号
US20100978716
申请日期
2010.12.27
申请人
MUSACHIO NICHOLAS R.
发明人
MUSACHIO NICHOLAS R.
分类号
G08G1/00
主分类号
G08G1/00
代理机构
代理人
主权项
地址
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