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发明名称
Zentrale automatische Gebuehrenerfassung in Fernschreibwaehlvermittlungsanlagen
摘要
申请公布号
DE1800335(A1)
申请公布日期
1970.05.14
申请号
DE19681800335
申请日期
1968.10.01
申请人
SIEMENS AG
发明人
WOLFGANG RATHJE,DR.-ING. HANS
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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