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发明名称
DISPOSICAO DE CIRCUITO PARA A RECEPCAO DE SINAIS TELEGRAFICOS DE CORRENTE SINGELA E DE CORRENTE DUPLA
摘要
申请公布号
BR7901008(A)
申请公布日期
1979.10.02
申请号
BR19790001008
申请日期
1979.02.16
申请人
SIEMENS AG
发明人
GIERSBERG D
分类号
H03K5/1252;H04L25/06;(IPC1-7):H04L25/40;H04B3/46;H04L11/12
主分类号
H03K5/1252
代理机构
代理人
主权项
地址
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