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经营范围
发明名称
TRAFFIC CONTROL SYSTEMS
摘要
申请公布号
GB1559271(A)
申请公布日期
1980.01.16
申请号
GB19750020108
申请日期
1976.08.03
申请人
PLESSEY CO LTD
发明人
分类号
G08G1/08;G08G1/081;(IPC1-7):G08G1/07
主分类号
G08G1/08
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代理人
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