AN EARPHONE APPARATUS WITH TWO SPEAKER UNITS,申请号HK20130104377-传众专利搜索

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发明名称	AN EARPHONE APPARATUS WITH TWO SPEAKER UNITS
摘要
申请公布号	HK1176230(A2)	申请公布日期	2013.07.19
申请号	HK20130104377	申请日期	2013.04.10
申请人	COBALT INDUSTRIAL COMPANY LIMITED	发明人	LIU KIN WAI KENNETH
分类号	H04R	主分类号	H04R
代理机构		代理人
主权项
地址

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