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发明名称
SPEAKER
摘要
申请公布号
KR100969109(B1)
申请公布日期
2010.07.09
申请号
KR20087019751
申请日期
2008.04.25
申请人
发明人
分类号
H04R9/04;H04R7/20;H04R9/02
主分类号
H04R9/04
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代理人
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