PERFECCIONAMIENTOS EN LOS PROCEDIMIENTOS DE PROTECCION DE LAS LINEAS TELEFoNICAS Y TELEGRAFICAS CONTRA LA INFLUENCIA PERTURBADORA.,申请号ES19070001150-传众专利搜索

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发明名称	PERFECCIONAMIENTOS EN LOS PROCEDIMIENTOS DE PROTECCION DE LAS LINEAS TELEFoNICAS Y TELEGRAFICAS CONTRA LA INFLUENCIA PERTURBADORA.
摘要
申请公布号	ES115007(A1)	申请公布日期	1930.01.01
申请号	ES19070001150	申请日期	1929.09.30
申请人	LIGNES TELEGRAPHIQUES ET TELEPHONIQUES	发明人
分类号	(IPC1-7):H04	主分类号	(IPC1-7):H04
代理机构		代理人
主权项
地址

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