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发明名称
Anordnung zur UEbertragung telegrafischer Nachrichten, die durch eine der Schrittgruppe hinzugefuegte Sicherungsgruppe gesichert werden
摘要
申请公布号
DE914738(C)
申请公布日期
1954.07.08
申请号
DE1952S030799
申请日期
1952.10.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
HENNIG DIPL.-ING. FRITZ
分类号
H03M13/51;H04L1/08
主分类号
H03M13/51
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