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发明名称
OSCILLATORY CIRCUITS
摘要
申请公布号
CA474249(A)
申请公布日期
1951.06.05
申请号
CAD474249
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
JOHANNES MARINUS VAN HOFWEEGEN;MAXIMILIAAN JULIUS OTTO STRUTT
分类号
主分类号
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