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经营范围
发明名称
Hearing aid system.
摘要
申请公布号
KR20090000500(U)
申请公布日期
2009.01.16
申请号
KR20070011563U
申请日期
2007.07.13
申请人
发明人
分类号
H04R3/00;H04R25/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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