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发明名称
Schaltungsanordnung fuer Telegrafenanlagen zum Tasten von Wechselstrom mittels im Laengs- und Querzug der Leitung liegender Gleichrichter
摘要
申请公布号
DE704357(C)
申请公布日期
1941.03.28
申请号
DE1939S137991D
申请日期
1939.07.26
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
JUNGA DIPL.-ING. GEORG
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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