Improvements in or relating to a device for registering sound vibrations in records with the aid of a pick-up,申请号GB19310022630-传众专利搜索

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发明名称	Improvements in or relating to a device for registering sound vibrations in records with the aid of a pick-up
摘要
申请公布号	GB392511(A)	申请公布日期	1933.05.18
申请号	GB19310022630	申请日期	1931.08.10
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G11B3/08	主分类号	G11B3/08
代理机构		代理人
主权项
地址

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