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发明名称
Schaltungsanordnung fuer handbediente Fernsprechnebenstellenanlagen ohne individuelle Teilnehmerrelais
摘要
申请公布号
DE1036931(B)
申请公布日期
1958.08.21
申请号
DE1957A027160
申请日期
1957.05.15
申请人
ALLGEMEINE TELEFON-FABRIK G.M.B.H.
发明人
HAMMERER NORMAN
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
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