Railway signalling systems,申请号GB19600039153-传众专利搜索

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发明名称	Railway signalling systems
摘要
申请公布号	GB989723(A)	申请公布日期	1965.04.22
申请号	GB19600039153	申请日期	1960.11.15
申请人	WESTINGHOUSE BRAKE AND SIGNAL COMPANY, LIMITED	发明人	CHALLIS ERNEST WALTER
分类号	B61L23/12	主分类号	B61L23/12
代理机构		代理人
主权项
地址

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