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发明名称
Schaltungsanordnung fuer eine an eine Fernsprech-anlage angeschlossene und durch Wahl einer bestimmten Kennziffer oder Kennummer erreichbare Personenrufeinrichtung
摘要
申请公布号
DE1227952(B)
申请公布日期
1966.11.03
申请号
DE1965T028729
申请日期
1965.06.04
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
HUTT HANS;ERNST RALF
分类号
H04M11/02
主分类号
H04M11/02
代理机构
代理人
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