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发明名称
Teilnehmerleitungsübertragung für an Z. B.-Fernsprech-Wählanlagen angeschlossene Teilnehmerleitungen
摘要
申请公布号
AT200191(B)
申请公布日期
1958.10.25
申请号
ATD200191
申请日期
1956.05.14
申请人
SIEMENS SOCIETA PER AZIONI
发明人
分类号
主分类号
代理机构
代理人
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