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经营范围
发明名称
SOUND LEVEL DISPLAY CIRCUIT
摘要
申请公布号
KR910006312(Y1)
申请公布日期
1991.08.22
申请号
KR19880006637U
申请日期
1988.05.02
申请人
SAM SUNG ELECTRONICS CO.,LTD.
发明人
CHO SUNG-YONG
分类号
H04N5/225;(IPC1-7):H04N5/225
主分类号
H04N5/225
代理机构
代理人
主权项
地址
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