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发明名称
Traffic signal control
摘要
申请公布号
US1962451(A)
申请公布日期
1934.06.12
申请号
US19320594805
申请日期
1932.02.24
申请人
GEORGE W. GATES
发明人
MARTEL ADELARD F.
分类号
G08G1/02
主分类号
G08G1/02
代理机构
代理人
主权项
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