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经营范围
发明名称
Circuit de ligne dans le central d'une installation de télécommunication.
摘要
申请公布号
CH287408(A)
申请公布日期
1952.11.30
申请号
CHD287408
申请日期
1947.12.23
申请人
STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE
发明人
STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE
分类号
H04Q1/18
主分类号
H04Q1/18
代理机构
代理人
主权项
地址
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