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发明名称
Verfahren zur Verminderung des Fernnebensprechens in Vierdrahtleitungen
摘要
申请公布号
DE839049(C)
申请公布日期
1952.05.15
申请号
DE1948P017666
申请日期
1948.10.10
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
WOLFF DR. PHIL. WILLY
分类号
H04B3/32
主分类号
H04B3/32
代理机构
代理人
主权项
地址
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