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发明名称
Schaltungsanordnung fuer Fernsprechnebenstellenanlagen
摘要
申请公布号
DE889020(C)
申请公布日期
1953.09.07
申请号
DE1950M007093
申请日期
1950.10.05
申请人
MIX & GENEST A. G.
发明人
MATTHIEU JOHANNES;MUELLER PETER DIPL.-ING.
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
主权项
地址
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