ACOUSTIC CORRECTION APPARATUS,申请号HK20030109351-传众专利搜索

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发明名称	ACOUSTIC CORRECTION APPARATUS
摘要
申请公布号	HK1057146(A1)	申请公布日期	2009.06.19
申请号	HK20030109351	申请日期	2003.12.23
申请人		发明人
分类号	H04R5/02;H04S;H04S1/00	主分类号	H04R5/02
代理机构		代理人
主权项
地址

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