Dispositif de centrage de disques phonographiques sur l'axe derotation du plateau tournant,申请号FRD707800-传众专利搜索

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发明名称	Dispositif de centrage de disques phonographiques sur l'axe derotation du plateau tournant
摘要
申请公布号	FR707800(A)	申请公布日期	1931.07.15
申请号	FRD707800	申请日期	1930.12.13
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G11B17/14	主分类号	G11B17/14
代理机构		代理人
主权项
地址

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