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发明名称
Improvements in or relating to traffic control systems and apparatus
摘要
申请公布号
GB792047(A)
申请公布日期
1958.03.19
申请号
GB19540035126
申请日期
1954.12.03
申请人
EASTERN INDUSTRIES, INCORPORATED
发明人
分类号
G08G1/082
主分类号
G08G1/082
代理机构
代理人
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