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发明名称
Timer for traffic systems
摘要
申请公布号
US1952371(A)
申请公布日期
1934.03.27
申请号
US19290357697
申请日期
1929.04.24
申请人
ACME TRAFFIC SIGNAL COMPANY
发明人
GLOCK CARL A.
分类号
G08G1/085
主分类号
G08G1/085
代理机构
代理人
主权项
地址
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