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发明名称
Manufacturing Method of Double Dome Tympanum for Earphone
摘要
申请公布号
KR101000701(B1)
申请公布日期
2010.12.10
申请号
KR20070046207
申请日期
2007.05.11
申请人
发明人
分类号
H04R31/00;H04R7/02
主分类号
H04R31/00
代理机构
代理人
主权项
地址
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