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发明名称
LEITUNGSEINHEIT ZUR SCHNITTSTELLENVERBINDUNG EINER ANALOGLEITUNG MIT EINER DIGITALEN FERNVERBINDUNGSANLAGE
摘要
申请公布号
AT389605(B)
申请公布日期
1990.01.10
申请号
AT19800003558
申请日期
1980.07.08
申请人
NORTHERN TELECOM LIMITED
发明人
分类号
H04J3/02;H04J3/12;H04J3/14;H04Q3/00;(IPC1-7):H04M11/00;H04Q11/04
主分类号
H04J3/02
代理机构
代理人
主权项
地址
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