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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und getrennter Speisebruecke fuer den angerufenen und anrufenden Teilnehmer
摘要
申请公布号
DE704531(C)
申请公布日期
1941.04.12
申请号
DE1931S098865D
申请日期
1931.05.23
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
BUNKE DIPL.-ING. KARL
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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