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发明名称
Polungsunabhaengige Schaltung fuer Fernsprechstationen mit Gebuehrenanzeiger
摘要
申请公布号
DE2058701(A1)
申请公布日期
1972.06.15
申请号
DE19702058701
申请日期
1970.11.28
申请人
HAGENUK VORMALS NEUFELDT & KUHNKE GMBH
发明人
FREUND,HANS,DR.RER.NAT.;BUHSE,JENS
分类号
H04M15/28
主分类号
H04M15/28
代理机构
代理人
主权项
地址
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