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经营范围
发明名称
Damper for voice coil plate of flat type speaker
摘要
申请公布号
KR101129358(B1)
申请公布日期
2012.03.26
申请号
KR20100066716
申请日期
2010.07.12
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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