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经营范围
发明名称
Schaltungsanordnung fuer Fernmeldevermittlungsanlagen,insbesondere Fernsprechvermittlungsanlagen,mit Koppelfeldern fuer vierdraehtige Verbindungsdurchschaltung
摘要
申请公布号
DE1803653(A1)
申请公布日期
1970.06.11
申请号
DE19681803653
申请日期
1968.10.17
申请人
SIEMENS AG
发明人
HOFFMANN,ERIK;HILLIGES,FRIEDRICH
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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