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经营范围
发明名称
SOUND VOLUME CONTROL SYSTEM
摘要
申请公布号
JPH048005(A)
申请公布日期
1992.01.13
申请号
JP19900112478
申请日期
1990.04.26
申请人
SHARP CORP
发明人
SUGIYAMA KENJI
分类号
H03G3/02
主分类号
H03G3/02
代理机构
代理人
主权项
地址
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