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发明名称
KOPPELFELD FUER FERNMELDEVERMITTLUNGS-, INSBESONDERE FERNSPRECHVERMITTLUNGSANLAGEN, MIT REIHENHALTEADERN
摘要
申请公布号
DE1804964(B2)
申请公布日期
1977.05.26
申请号
DE19681804964
申请日期
1968.10.24
申请人
发明人
分类号
H04Q3/54;(IPC1-7):H04Q3/49
主分类号
H04Q3/54
代理机构
代理人
主权项
地址
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