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经营范围
发明名称
Film speaker apparatus using 2.2 channel
摘要
申请公布号
KR200398699(Y1)
申请公布日期
2005.10.14
申请号
KR20050022475U
申请日期
2005.08.03
申请人
发明人
分类号
H04R9/00;H04R17/00
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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