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经营范围
发明名称
Improvements in road traffic control systems
摘要
申请公布号
GB444969(A)
申请公布日期
1936.04.01
申请号
GB19340029464
申请日期
1934.10.15
申请人
THE SIEMENS AND GENERAL ELECTRIC RAILWAY SIGNAL COMPANY LIMITED;FRANCIS GEORGE TYACK;NEHEMIAH HERWALD
发明人
分类号
G08G1/005
主分类号
G08G1/005
代理机构
代理人
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地址
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