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经营范围
发明名称
A battery bypass arrangement for a portable headphone amplifier
摘要
申请公布号
GB2480850(A)
申请公布日期
2011.12.07
申请号
GB20100009314
申请日期
2010.06.03
申请人
JUST AUDIO LTD
发明人
JUSTIN HARRIS
分类号
H03F3/20
主分类号
H03F3/20
代理机构
代理人
主权项
地址
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