A multi-function earphone device,申请号HK20080103969-传众专利搜索

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发明名称	A multi-function earphone device
摘要
申请公布号	HK1111308(A2)	申请公布日期	2008.08.01
申请号	HK20080103969	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;A45D	主分类号	H04R
代理机构		代理人
主权项
地址

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