Sound output system,申请号GB19870007400-传众专利搜索

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发明名称	Sound output system
摘要
申请公布号	GB2188811(A)	申请公布日期	1987.10.07
申请号	GB19870007400	申请日期	1987.03.27
申请人	* CANON KABUSHIKI KAISHA	发明人	HIROKAZU * NEGISHI
分类号	H04R1/34;H04R5/02;(IPC1-7):H04R1/34	主分类号	H04R1/34
代理机构		代理人
主权项
地址

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