DIRECTIONAL LOUDSPEAKER CONTROL SYSTEM,申请号EP20040773525-传众专利搜索

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发明名称	DIRECTIONAL LOUDSPEAKER CONTROL SYSTEM
摘要
申请公布号	EP1670282(A4)	申请公布日期	2009.08.19
申请号	EP20040773525	申请日期	2004.09.24
申请人	YAMAHA CORPORATION	发明人	KONAGAI, YUSUKE
分类号	H04R1/32;H04R5/02;H04R1/40;H04R3/12;H04S1/00;H04S3/00;H04S5/02;H04S7/00	主分类号	H04R1/32
代理机构		代理人
主权项
地址

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