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发明名称
CIRCUITS FOR NOISE REDUCTION
摘要
申请公布号
GB2068697(A)
申请公布日期
1981.08.12
申请号
GB19810001907
申请日期
1981.01.22
申请人
SONY CORP
发明人
分类号
H04B1/62;G11B20/04;G11B20/24;H03G7/00;H03G9/02;H03G11/02;H04B1/10;(IPC1-7):H04B1/64
主分类号
H04B1/62
代理机构
代理人
主权项
地址
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