A micro speaker with directed driving vibration flat,申请号KR20040020267-传众专利搜索

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发明名称	A micro speaker with directed driving vibration flat
摘要
申请公布号	KR100621648(B1)	申请公布日期	2006.09.13
申请号	KR20040020267	申请日期	2004.03.25
申请人		发明人
分类号	H04R9/02;H04R9/04	主分类号	H04R9/02
代理机构		代理人
主权项
地址

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