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经营范围
发明名称
Acoustic device
摘要
申请公布号
GB0317331(D0)
申请公布日期
2003.08.27
申请号
GB20030017331
申请日期
2003.07.24
申请人
NEW TRANSDUCERS LIMITED
发明人
分类号
H04R7/04
主分类号
H04R7/04
代理机构
代理人
主权项
地址
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