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经营范围
发明名称
Audio volume control circuit
摘要
申请公布号
EP0463792(B1)
申请公布日期
1996.11.20
申请号
EP19910305548
申请日期
1991.06.19
申请人
SONY CORPORATION
发明人
TAJIMA, SHIGERU
分类号
G11B20/04;G11B31/00;H03G1/02;H04N5/44;H04N5/775;(IPC1-7):H04N5/76
主分类号
G11B20/04
代理机构
代理人
主权项
地址
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