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发明名称
MUTING CIRCUIT
摘要
申请公布号
JPH04233875(A)
申请公布日期
1992.08.21
申请号
JP19900409278
申请日期
1990.12.28
申请人
SHARP CORP
发明人
OIKAWA KENJI
分类号
H04B1/10;H04N1/06;H04N5/00;H04N5/60;H04Q9/00
主分类号
H04B1/10
代理机构
代理人
主权项
地址
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