Improvement in railway signalling track circuits,申请号GB19560034004-传众专利搜索

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发明名称	Improvement in railway signalling track circuits
摘要
申请公布号	GB812465(A)	申请公布日期	1959.04.22
申请号	GB19560034004	申请日期	1956.11.07
申请人	FORGES ET ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE JEUMONT	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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