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发明名称
Appareil récepteur de t. s. f. comportant un amplificateur bassefréquence à réaction négative
摘要
申请公布号
FR865157(A)
申请公布日期
1941.05.15
申请号
FRD865157
申请日期
1940.04.25
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03G5/20
主分类号
H03G5/20
代理机构
代理人
主权项
地址
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