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发明名称
SPRACHSTEUERUNG IN EINER FERNSPRECHSTATION
摘要
申请公布号
DE3541794(A1)
申请公布日期
1987.05.27
申请号
DE19853541794
申请日期
1985.11.26
申请人
SIEMENS AG
发明人
LAMPL,JOSEF
分类号
H04M9/10;(IPC1-7):H04M9/10
主分类号
H04M9/10
代理机构
代理人
主权项
地址
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