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发明名称
Method and Apparatus for controlling Traffic Flow in accordance with Traffic Presence
摘要
申请公布号
GB1189831(A)
申请公布日期
1970.04.29
申请号
GB19670025768
申请日期
1967.06.05
申请人
E. W. BLISS COMPANY
发明人
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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