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发明名称
INTERMEDIATE STATION FOR TIME DIVISION MULTIPLEX SYSTEMS
摘要
申请公布号
GB1488824(A)
申请公布日期
1977.10.12
申请号
GB19740042682
申请日期
1974.10.02
申请人
DE TELECOMMUNICATIONS SA
发明人
分类号
H04J3/07;H04J3/08;(IPC1-7):H04J3/08
主分类号
H04J3/07
代理机构
代理人
主权项
地址
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