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发明名称
Schaltung zur automatischen gegenseitigen Stabilisierung der Frequenz- oder Phasendifferenz zweier Wechselspannungen
摘要
申请公布号
AT168554(B)
申请公布日期
1951.06.25
申请号
ATD168554
申请日期
1947.12.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
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代理人
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