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发明名称
Schaltungsanordnung zur automatischen Gebuehrenerfassung in Fernschreibanlagen mit gebuehrenfreien und gebuehren-pflichtigen Verbindungen
摘要
申请公布号
DE1059953(B)
申请公布日期
1959.06.25
申请号
DE1955C012302
申请日期
1955.12.21
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES, SOC. AN.
发明人
DEMARTRES JEAN
分类号
H04L12/14
主分类号
H04L12/14
代理机构
代理人
主权项
地址
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