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发明名称
DISPOSICION DE CIRCUITO PARA EL ESTABLECIMIENTO DE COMUNICACIONES DE CONFERENCIA EN INSTALACIONES DE ENLACE DE TELEIMPRESOR
摘要
申请公布号
AR209461(A1)
申请公布日期
1977.04.29
申请号
AR19750261400
申请日期
1975.11.28
申请人
SIEMENS AG
发明人
分类号
H04L12/18;(IPC1-7):H04L11/18
主分类号
H04L12/18
代理机构
代理人
主权项
地址
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