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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellanlagen mit Aufschaltung
摘要
申请公布号
DE1762366(A1)
申请公布日期
1970.04.30
申请号
DE19681762366
申请日期
1968.06.05
申请人
FRIEDRICH MERK TELEFONBAU GMBH
发明人
HEROLD,MANFRED
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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