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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Anschaltung eines Antwortgebers fuer den anrufenden Amtsteilnehmer
摘要
申请公布号
DE1055612(B)
申请公布日期
1959.04.23
申请号
DE1958S058421
申请日期
1958.05.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SCHOBER KURT;GROHMANN WALTER
分类号
H04M1/65;H04Q3/62
主分类号
H04M1/65
代理机构
代理人
主权项
地址
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