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发明名称
Montage amplificateur d'oscillations appartenant à deux gammes de fréquences
摘要
申请公布号
FR1067374(A)
申请公布日期
1954.06.15
申请号
FRD1067374
申请日期
1952.12.02
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/48
主分类号
H03F3/48
代理机构
代理人
主权项
地址
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