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发明名称
DISPOSICION DE CIRCUITO PARA CENTRALES DE TELECOMUNICACION,PARTICULARMENTE CENTRALES TELEFONICAS
摘要
申请公布号
AR214120(A1)
申请公布日期
1979.04.30
申请号
AR19780271130
申请日期
1978.02.16
申请人
SIEMENS AG
发明人
分类号
H04Q3/545;H04M15/00;H04Q1/30;H04Q3/54;(IPC1-7):H04Q3/56;H04Q3/42
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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