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发明名称
Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fersprechvermittlungsanlagen, mit Haftkopplern
摘要
申请公布号
AT288494(B)
申请公布日期
1971.03.10
申请号
AT19690003039
申请日期
1969.03.27
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H04Q3/00;(IPC1-7):H04Q3/42
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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