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发明名称
Schaltung für Gegentaktverstärker.
摘要
申请公布号
AT130395(B)
申请公布日期
1932.11.25
申请号
ATD130395
申请日期
1930.08.12
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
POPKO REINDER DIJKSTERHUIS
分类号
主分类号
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代理人
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