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发明名称
Improvements in electric signalling systems particularly adapted for controlling traffic
摘要
申请公布号
GB339594(A)
申请公布日期
1930.12.02
申请号
GB19290026633
申请日期
1929.09.02
申请人
THE SIEMENS AND GENERAL ELECTRIC RAILWAY SIGNAL COMPANY LIMITED;JAMES BOOT
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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