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发明名称
An earphone device with touch control pen
摘要
申请公布号
HK1111309(A2)
申请公布日期
2008.08.01
申请号
HK20080103970
申请日期
2008.04.09
申请人
COBALT INDUSTRIAL COMPANY LIMITED
发明人
LIU KIN WAI KENNETH
分类号
H04R;H04B
主分类号
H04R
代理机构
代理人
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地址
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