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发明名称
CONTROL OF TRAFFIC LIGHTS
摘要
申请公布号
GB1253804(A)
申请公布日期
1971.11.17
申请号
GB19670042945
申请日期
1967.09.21
申请人
D-SIGNS & MAINTENANCE LIMITED
发明人
RAYMOND FREDERICK STUBBS
分类号
G08G1/08
主分类号
G08G1/08
代理机构
代理人
主权项
地址
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