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发明名称
Schaltungsanordnung zum wahlweisen Anruf von Abzweigstellen einer Gesellschaftsleitung
摘要
申请公布号
DE702947(C)
申请公布日期
1941.02.20
申请号
DE193901S6853D
申请日期
1939.04.26
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
NEBELUNG DIPL.-ING. RUDOLF
分类号
H04Q5/22
主分类号
H04Q5/22
代理机构
代理人
主权项
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