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发明名称
Personal audio listening device
摘要
申请公布号
GB0200292(D0)
申请公布日期
2002.02.20
申请号
GB20020000292
申请日期
2002.01.08
申请人
KETTLEY, LESLIE
发明人
分类号
H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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