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发明名称
Amplificateur électrique
摘要
申请公布号
FR865095(A)
申请公布日期
1941.05.13
申请号
FRD865095
申请日期
1940.04.22
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01F19/02;H03F3/02
主分类号
H01F19/02
代理机构
代理人
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