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发明名称
Schaltungsanordnung fuer Fernsprech-, insbesondere Fernsprechnebenstellenanlagen mit Teilnehmern unterschiedlicher Berechtigung
摘要
申请公布号
DE1171473(B)
申请公布日期
1964.06.04
申请号
DE1963T023548
申请日期
1963.03.01
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
NICKEL HORST
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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