Railway signalling system,申请号GB19580018326-传众专利搜索

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发明名称	Railway signalling system
摘要
申请公布号	GB830639(A)	申请公布日期	1960.03.16
申请号	GB19580018326	申请日期	1958.06.09
申请人	COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE	发明人
分类号	B61L1/18	主分类号	B61L1/18
代理机构		代理人
主权项
地址

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