PDE AND UNI-DIRECTIONAL CONDENSER MICROPHONE USING THE SAME,申请号KR20040005719-传众专利搜索

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发明名称	PDE AND UNI-DIRECTIONAL CONDENSER MICROPHONE USING THE SAME
摘要
申请公布号	KR20050078324(A)	申请公布日期	2005.08.05
申请号	KR20040005719	申请日期	2004.01.29
申请人	BSE CO., LTD.	发明人	CHO, KEUM HAENG
分类号	H04R19/04	主分类号	H04R19/04
代理机构		代理人
主权项
地址

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