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发明名称
FOUR WIRE LINE ARRANGEMENT FOR USE IN A DIGITAL¹TELECOMMUNICATIONS SYSTEM
摘要
申请公布号
IE801048(L)
申请公布日期
1980.11.21
申请号
IE19800001048
申请日期
1980.05.20
申请人
SIEMENS AG
发明人
分类号
H04L25/04;(IPC1-7):H04L25/04
主分类号
H04L25/04
代理机构
代理人
主权项
地址
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