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经营范围
发明名称
Automatic traffic control system
摘要
申请公布号
US1832510(A)
申请公布日期
1931.11.17
申请号
US19240709284
申请日期
1924.04.26
申请人
FROST AND SEESE
发明人
SEESE ROBERT S.
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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