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经营范围
发明名称
TRAFFIC CONTROL SIGNALS
摘要
申请公布号
US3466600(A)
申请公布日期
1969.09.09
申请号
USD3466600
申请日期
1968.06.03
申请人
EDGAR J. SMOOT;ROBERT A. SMOOT
发明人
EDGAR J. SMOOT
分类号
G08G1/096;(IPC1-7):G08G1/01
主分类号
G08G1/096
代理机构
代理人
主权项
地址
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