RELOJ INDICADOR DE TIEMPOS E IMPORTES EN CONFERENCIAS TELE- FONICAS.,申请号ES19750002197U-传众专利搜索

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发明名称	RELOJ INDICADOR DE TIEMPOS E IMPORTES EN CONFERENCIAS TELE- FONICAS.
摘要
申请公布号	ES219775(Y)	申请公布日期	1977.03.01
申请号	ES19750002197U	申请日期	1976.03.23
申请人	EGANA LECUONA JOSE	发明人
分类号	G07C;(IPC1-7):07C/	主分类号	G07C
代理机构		代理人
主权项
地址

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