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发明名称
Schaltungsanordnung zur Gebuehrenverrechnung von Fernverbindungen in Fernsprechanlagen
摘要
申请公布号
DE832913(C)
申请公布日期
1952.03.03
申请号
DE1950S001880
申请日期
1950.02.26
申请人
DR.-ING. GERHARD SEELMANN-EGGEBERT;SIEMENS & HALSKE A.G.
发明人
SEELMANN-EGGEBERT DR.-ING. GERHARD
分类号
H04M15/10;H04M15/28
主分类号
H04M15/10
代理机构
代理人
主权项
地址
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