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发明名称
Improvements relating to road traffic signals
摘要
申请公布号
GB391910(A)
申请公布日期
1933.05.11
申请号
GB19320000150
申请日期
1932.01.02
申请人
CHANCE BROTHERS AND CO., LIMITED;JOHANN HERMANN ABBINK-SPAINK;LOUIS BERTRAM HENRY HALLETT
发明人
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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