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发明名称
Empfänger oder Verstärker, der zur Speisung aus einem Gleichstromnetz geeignet ist
摘要
申请公布号
AT166879(B)
申请公布日期
1950.10.10
申请号
ATD166879
申请日期
1947.11.21
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
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