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发明名称
Montage destiné à l'amplification et à la transformation de fréquence d'oscillations électriques
摘要
申请公布号
FR793102(A)
申请公布日期
1936.01.16
申请号
FRD793102
申请日期
1935.07.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J25/68;H03F3/54
主分类号
H01J25/68
代理机构
代理人
主权项
地址
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