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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Durchwahl einer ueber eine Verbindungsleitung anrufenden Stelle zur gewuenschten Nebenstelle
摘要
申请公布号
DE1043415(B)
申请公布日期
1958.11.13
申请号
DE1957S055184
申请日期
1957.09.20
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
VILLINGER FRITZ
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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