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发明名称
MULTI CHANNEL EARPHONE
摘要
申请公布号
KR20050079738(A)
申请公布日期
2005.08.11
申请号
KR20040007837
申请日期
2004.02.06
申请人
MM GEAR
发明人
KIM, SUNG IL
分类号
H04R5/033
主分类号
H04R5/033
代理机构
代理人
主权项
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