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发明名称
Verfahren zur Ermittlung der Gebühr in Fernsprechnebenstellenanlagen
摘要
申请公布号
AT200629(B)
申请公布日期
1958.11.25
申请号
ATD200629
申请日期
1953.12.31
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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