Improvements in or relating to methods of recording sound,申请号GB19560000175-传众专利搜索

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发明名称	Improvements in or relating to methods of recording sound
摘要
申请公布号	GB829875(A)	申请公布日期	1960.03.09
申请号	GB19560000175	申请日期	1956.01.03
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	G10K15/10	主分类号	G10K15/10
代理机构		代理人
主权项
地址

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