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发明名称
Improvements in loudspeakers
摘要
申请公布号
GB0423588(D0)
申请公布日期
2004.11.24
申请号
GB20040023588
申请日期
2003.05.23
申请人
KH TECHNOLOGY CORPORATION
发明人
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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