Improvements relating to railway signal control systems,申请号GB19550014937-传众专利搜索

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发明名称	Improvements relating to railway signal control systems
摘要
申请公布号	GB806700(A)	申请公布日期	1958.12.31
申请号	GB19550014937	申请日期	1955.05.24
申请人	WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED;HENRY FRANCIS DENNISON	发明人
分类号	B61L5/16;B61L9/00	主分类号	B61L5/16
代理机构		代理人
主权项
地址

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