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发明名称
Schaltungsanordnung für eine indirekt gesteuerte Vermittlung, insbesondere für Fernsprechzwecke
摘要
申请公布号
CH502739(A)
申请公布日期
1971.01.31
申请号
CH19690017751
申请日期
1969.11.28
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
ERNST,WOLFRAM,DIPL.-ING.;VOEGTLEN,DIETER,DIPL.-ING.
分类号
H04M3/00;H04Q3/545;(IPC1-7):H04Q3/42
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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