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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und Aufschaltung auf bestehende Verbindungen
摘要
申请公布号
DE967523(C)
申请公布日期
1957.11.21
申请号
DE1955S043158
申请日期
1955.03.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
FUNK WERNER;HANISCH KARL
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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