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经营范围
发明名称
TRAFFIC ACTUATED CONTROL SYSTEM
摘要
申请公布号
CA525580(A)
申请公布日期
1956.05.29
申请号
CAD525580
申请日期
申请人
EASTERN INDUSTRIES
发明人
JOHN L. BARKER
分类号
主分类号
代理机构
代理人
主权项
地址
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