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发明名称
Traffic signal
摘要
申请公布号
US1846987(A)
申请公布日期
1932.02.23
申请号
US19300485224
申请日期
1930.09.29
申请人
BOOR THEODORE A
发明人
BOOR THEODORE A.
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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