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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit Haupt- und Unteraemtern und Waehlerbetrieb
摘要
申请公布号
DE696280(C)
申请公布日期
1940.09.17
申请号
DE193701S9641D
申请日期
1937.11.23
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
JAUCH EUGEN
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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