Improvements in sound recording and playback apparatus,申请号GB19620005489-传众专利搜索

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发明名称	Improvements in sound recording and playback apparatus
摘要
申请公布号	GB935320(A)	申请公布日期	1963.08.28
申请号	GB19620005489	申请日期	1962.02.13
申请人	SVENSKA AKTIEBOLAGET GASACCUMULATOR	发明人
分类号	G11B19/265	主分类号	G11B19/265
代理机构		代理人
主权项
地址

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