Appareil destiné à l'enregistrement de vibrations sonores sur des disques au moyen d'un lecteur ou d'un reproducteur,申请号FRD721048-传众专利搜索

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发明名称	Appareil destiné à l'enregistrement de vibrations sonores sur des disques au moyen d'un lecteur ou d'un reproducteur
摘要
申请公布号	FR721048(A)	申请公布日期	1932.02.26
申请号	FRD721048	申请日期	1931.08.04
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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