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发明名称
Anordning ved bærefrekvens- og forstærkerstationer til telefon- og telegrafkredsløb.
摘要
申请公布号
DK84913(C)
申请公布日期
1958.01.27
申请号
DK19500000272
申请日期
1950.01.26
申请人
SOCIETE ANONYME DE TELECOMMUNICATIONS
发明人
分类号
H04M;(IPC1-7):H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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