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经营范围
发明名称
NOISE CANCELLING CIRCUIT
摘要
申请公布号
KR0139782(B1)
申请公布日期
1998.06.15
申请号
KR19920020206
申请日期
1992.10.30
申请人
SAMSUNG ELECTRONICS CO.,LTD
发明人
HWANG, DUK-WON
分类号
H04N5/21;(IPC1-7):H04N5/21
主分类号
H04N5/21
代理机构
代理人
主权项
地址
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