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发明名称
SPEAKER
摘要
申请公布号
KR100899721(B1)
申请公布日期
2009.05.27
申请号
KR20077006140
申请日期
2007.03.16
申请人
发明人
分类号
H04R9/02;H04R9/04
主分类号
H04R9/02
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代理人
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