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经营范围
发明名称
主动式扬声器
摘要
申请公布号
TWD133189
申请公布日期
2010.02.01
申请号
TW098300478
申请日期
2009.02.10
申请人
伯斯公司
发明人
杰恩 史都华R
分类号
14-01
主分类号
14-01
代理机构
代理人
陈长文
主权项
地址
美国
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