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经营范围
发明名称
Multi-Functional Microspeaker
摘要
申请公布号
KR100992043(B1)
申请公布日期
2010.11.04
申请号
KR20070015078
申请日期
2007.02.13
申请人
发明人
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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