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发明名称
Schaltungsanordnung zur Fernbespielung von Ansagegeraeten,die in weit voneinander entfernten Fernmelde-,insbesondere Fernsprechanlagen,jeweils zentral angeordnet sind
摘要
申请公布号
DE1915763(A1)
申请公布日期
1970.10.01
申请号
DE19691915763
申请日期
1969.03.27
申请人
SIEMENS AG
发明人
MAYRIDL,JAKOB;WINTERFELD,RUDOLF VON;HOCHENLEITNER,RUDOLF
分类号
H04M3/487;H04M3/53
主分类号
H04M3/487
代理机构
代理人
主权项
地址
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