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经营范围
发明名称
A diaphragn speaker
摘要
申请公布号
KR20070000470(U)
申请公布日期
2007.04.24
申请号
KR20060028086U
申请日期
2006.10.19
申请人
发明人
分类号
H04R7/02;H04R7/04
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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