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发明名称
Schaltungsanordnung fuer Relaisuebertragungen, ueber die im Selbstanschlussverkehr Telegrafenverbindungen aufgebaut werden
摘要
申请公布号
DE665749(C)
申请公布日期
1938.10.05
申请号
DE1936S122404D
申请日期
1936.04.21
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
KREUZER FRIEDRICH
分类号
H04L12/00
主分类号
H04L12/00
代理机构
代理人
主权项
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