Improvements in or relating to train control systems,申请号GB19470014440-传众专利搜索

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发明名称	Improvements in or relating to train control systems
摘要
申请公布号	GB660101(A)	申请公布日期	1951.10.31
申请号	GB19470014440	申请日期	1947.05.30
申请人	THE SIEMENS AND GENERAL ELECTRIC RAILWAY SIGNAL COMPANY LIMITED;PERCY LOMAS	发明人
分类号	B61L3/12	主分类号	B61L3/12
代理机构		代理人
主权项
地址

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