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发明名称
EMPHASIS DEVICE
摘要
申请公布号
JPH04302541(A)
申请公布日期
1992.10.26
申请号
JP19910091513
申请日期
1991.03.29
申请人
SONY CORP
发明人
SAKAMOTO ETSURO
分类号
H03F1/32;H03G3/30;H04B1/62;H04N5/923
主分类号
H03F1/32
代理机构
代理人
主权项
地址
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