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发明名称
RIGENERATORE PCM PER IMPIANTI DI COMUNICAZIONI ELETTRICHE
摘要
申请公布号
IT1031629(B)
申请公布日期
1979.05.10
申请号
IT19750020140
申请日期
1975.02.11
申请人
SIEMENS AG
发明人
分类号
H04L25/52;H03K5/26;H04L7/033;H04L25/24;(IPC1-7):H04B/
主分类号
H04L25/52
代理机构
代理人
主权项
地址
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