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发明名称
Schaltungsanordnung fuer Fernsprech-Nebenstellenanlagen mit Durchwahl
摘要
申请公布号
DE969791(C)
申请公布日期
1958.07.17
申请号
DE1954S037026
申请日期
1954.01.01
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
JAEGER HORST
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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