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发明名称
Amplificateur à réaction négative
摘要
申请公布号
FR60763(E)
申请公布日期
1955.01.26
申请号
FRD60763
申请日期
1950.09.26
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
分类号
H03F1/36;H03K4/39;H03K4/43;H04R3/00
主分类号
H03F1/36
代理机构
代理人
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