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发明名称
Strømkredsanordning til Forstærking af Højfrekvenssvingninger under Anvendelse af et Forstærkerrør med eet eller flere Gitre.
摘要
申请公布号
DK49945(C)
申请公布日期
1935.02.25
申请号
DKD49945
申请日期
1933.12.29
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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