DISPOSITIVO DE CIRCUITO DE ALARMA DE LINEA TELEGRAFICA.,申请号ES19880003477-传众专利搜索

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发明名称	DISPOSITIVO DE CIRCUITO DE ALARMA DE LINEA TELEGRAFICA.
摘要
申请公布号	ES347788(A1)	申请公布日期	1969.02.16
申请号	ES19880003477	申请日期	1967.11.29
申请人	TELECON, S. A.	发明人
分类号	H04M;(IPC1-7):H04M/	主分类号	H04M
代理机构		代理人
主权项
地址

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