unidirectional condenser microphone,申请号KR20030081198-传众专利搜索

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发明名称	unidirectional condenser microphone
摘要
申请公布号	KR100530489(B1)	申请公布日期	2005.11.22
申请号	KR20030081198	申请日期	2003.11.17
申请人		发明人
分类号	H04R31/00;(IPC1-7):H04R31/00	主分类号	H04R31/00
代理机构		代理人
主权项
地址

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