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发明名称
Schaltungsanordnung zum Wiederholen von Stromstößen bei ihrer Übertragung in Fernsprechanlagen.
摘要
申请公布号
AT131412(B)
申请公布日期
1933.01.25
申请号
ATD131412
申请日期
1929.05.07
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
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主分类号
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