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经营范围
发明名称
NOISE REDUCER
摘要
申请公布号
JPH0411466(A)
申请公布日期
1992.01.16
申请号
JP19900168505
申请日期
1990.06.28
申请人
SONY CORP
发明人
MATSUNAGA OSAMU
分类号
H04N5/21;H04N7/015
主分类号
H04N5/21
代理机构
代理人
主权项
地址
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