Dispositif de contrôle de circuits de voie ferrée,申请号FRD1112251-传众专利搜索

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发明名称	Dispositif de contrôle de circuits de voie ferrée
摘要
申请公布号	FR1112251(A)	申请公布日期	1956.03.12
申请号	FRD1112251	申请日期	1954.10.06
申请人	COMPAGNIE DES FREINS & 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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