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发明名称
Traffic signal controller
摘要
申请公布号
US2751574(A)
申请公布日期
1956.06.19
申请号
US19530377332
申请日期
1953.08.31
申请人
CROUSE-HINDS COMPANY
发明人
JEFFERS WALTER M.
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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