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发明名称
Schaltungsanordnung zur Freischaltung von Anschlussleitungen in Fernsprechanlagen mit Vorwaehlern
摘要
申请公布号
DE970163(C)
申请公布日期
1958.08.28
申请号
DE1953S031932
申请日期
1953.01.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KRETSCHMER HORST;BEHNKE KURT
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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