IMPROVEMENTS IN AND RELATING TO THE RECORDING AND REPRODUCTION OF SOUND,申请号GB19690043959-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO THE RECORDING AND REPRODUCTION OF SOUND
摘要
申请公布号	GB1268659(A)	申请公布日期	1972.03.29
申请号	GB19690043959	申请日期	1969.09.05
申请人	MINORU KAMIYA	发明人	MINORU KAMIYA
分类号	G11B3/00;G11B3/74;H04S3/00	主分类号	G11B3/00
代理机构		代理人
主权项
地址

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