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发明名称
Schaltungsanordnung zur Umstellung einer Wechselstromtelegraphieanlage mit Relaistastung auf kontaktlose Tastung
摘要
申请公布号
CH319416(A)
申请公布日期
1957.02.15
申请号
CHD319416
申请日期
1954.01.20
申请人
LICENTIA PATENT-VERWALTUNGS-GMBH
发明人
BECKMANN,HEINZ,DIPL.-ING.
分类号
H04L27/04
主分类号
H04L27/04
代理机构
代理人
主权项
地址
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