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经营范围
发明名称
NEGATIVE FEEDBACK AMPLIFYING CIRCUIT
摘要
申请公布号
GB2062995(A)
申请公布日期
1981.05.28
申请号
GB19800031327
申请日期
1980.09.29
申请人
NIPPON VICTOR KK
发明人
分类号
H03F1/34;H03F3/183;H04R3/00;(IPC1-7):H03F1/34
主分类号
H03F1/34
代理机构
代理人
主权项
地址
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