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发明名称
Street traffic signal
摘要
申请公布号
US2349485(A)
申请公布日期
1944.05.23
申请号
US19410417557
申请日期
1941.11.01
申请人
CORLEY HENRY B
发明人
CORLEY HENRY B.
分类号
G08G1/096
主分类号
G08G1/096
代理机构
代理人
主权项
地址
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