Improvements in or relating to magnetic recording and reproduction of sounds,申请号GB19340022908-传众专利搜索

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发明名称	Improvements in or relating to magnetic recording and reproduction of sounds
摘要
申请公布号	GB445343(A)	申请公布日期	1936.04.07
申请号	GB19340022908	申请日期	1934.08.07
申请人	GAETANO BEDESCHI;GAETANO MONTI	发明人
分类号	G11B5/00;H04M1/65	主分类号	G11B5/00
代理机构		代理人
主权项
地址

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