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发明名称
Schaltungsanordnung zur UEbertragung von Sinusschwingungen gleicher Amplitude und Frequenz ueber Kanalumsetzer-Gestelle und Frequenz ueber Kanalumsetzer-Gestelle mit 120 Sprechkreisen eines Traegerfrequenzsystems
摘要
申请公布号
DE1537678(A1)
申请公布日期
1969.10.09
申请号
DE19671537678
申请日期
1967.08.11
申请人
SIEMENS AG
发明人
KAGELMANN,HERMANN;JOHANNES RASCH,DR.-ING.
分类号
H04J1/04
主分类号
H04J1/04
代理机构
代理人
主权项
地址
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