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发明名称
Schaltungsanordnung für eine Fernsprechanlage, insbesondere Fernsprechnebenstellenanlage, mit manueller Vermittlung für Durchgangsverbindungen
摘要
申请公布号
AT281130(B)
申请公布日期
1970.05.11
申请号
AT19680000214
申请日期
1968.01.09
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H04Q3/54;(IPC1-7):H04M7/00
主分类号
H04Q3/54
代理机构
代理人
主权项
地址
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