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发明名称
SISTEMA DE MANDO PARA EL INTERCAMBIO DE INFORMACION ENTRE LAENTRE LA PERIFERIA Y LA UNIDAD DE MANDO CENTRALIZADO EN CEN-TRALIZADO EN CENTRALES DE TELECOMUNICACION.
摘要
申请公布号
ES241338(Y)
申请公布日期
1981.03.16
申请号
ES19380002413U
申请日期
1979.02.13
申请人
发明人
分类号
H04M3/00;(IPC1-7):H04M3/00
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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