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经营范围
发明名称
NOISE REDUCTION CIRCUIT
摘要
申请公布号
JPS6416079(A)
申请公布日期
1989.01.19
申请号
JP19870171797
申请日期
1987.07.09
申请人
SONY CORP
发明人
NONOGAKI MASARU
分类号
H03H15/00;H04N5/21
主分类号
H03H15/00
代理机构
代理人
主权项
地址
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