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发明名称
Anordnung bei Kupplungstransformatoren, insbesondere für Niederfrequenzverstärker.
摘要
申请公布号
AT124080(B)
申请公布日期
1931.08.10
申请号
ATD124080
申请日期
1929.03.04
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
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主分类号
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