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经营范围
发明名称
RED INTEGRADA DE CONMUTACION Y TRANSMISION
摘要
申请公布号
AR218081(A1)
申请公布日期
1980.05.15
申请号
AR19780273633
申请日期
1978.09.08
申请人
ERICSSON TELEFON AB L M
发明人
分类号
H04Q3/52;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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