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发明名称
Højfrekvensforstærkerkobling.
摘要
申请公布号
DK46030(C)
申请公布日期
1932.08.08
申请号
DKD46030
申请日期
1931.09.17
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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