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发明名称
MULTIPLE CHANNEL EARPHONE
摘要
申请公布号
KR100631826(B1)
申请公布日期
2006.10.04
申请号
KR20050023391
申请日期
2005.03.21
申请人
发明人
分类号
H04R1/10;H04R5/033;H04R25/00;H04S5/02
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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