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发明名称
MAGNETIC CIRCUIT FOR DYNAMIC TRANSDUCER
摘要
申请公布号
KR101131807(B1)
申请公布日期
2012.03.30
申请号
KR20100066325
申请日期
2010.07.09
申请人
发明人
分类号
H04R9/02;H01F27/24
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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