DISPOSITIVO DE COMUNICACION BIDIRECCIONAL ENTRE UNA INSTALACION DE PORTERO AUTOMATICO Y LA LINEA TELEFONICA.,申请号ES20030001908U-传众专利搜索

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发明名称	DISPOSITIVO DE COMUNICACION BIDIRECCIONAL ENTRE UNA INSTALACION DE PORTERO AUTOMATICO Y LA LINEA TELEFONICA.
摘要
申请公布号	ES1055421(U)	申请公布日期	2003.11.16
申请号	ES20030001908U	申请日期	2003.08.08
申请人	GONZALEZ MARTINEZ RAUL	发明人	GONZALEZ MARTINEZ RAUL
分类号	H04M11/00;(IPC1-7):H04M11/00	主分类号	H04M11/00
代理机构		代理人
主权项
地址

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