Electret condenser microphone,申请号EP20090251174-传众专利搜索

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发明名称	Electret condenser microphone
摘要
申请公布号	EP2112840(A3)	申请公布日期	2012.08.29
申请号	EP20090251174	申请日期	2009.04.24
申请人	HOSIDEN CORPORATION	发明人	YUASA, HIDEO;MOTONAGA, HIDENORI
分类号	H04R19/01	主分类号	H04R19/01
代理机构		代理人
主权项
地址

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