Aiguille de gramophone ou machine parlante,申请号FRD685604-传众专利搜索

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发明名称	Aiguille de gramophone ou machine parlante
摘要
申请公布号	FR685604(A)	申请公布日期	1930.07.12
申请号	FRD685604	申请日期	1929.11.26
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G11B3/48	主分类号	G11B3/48
代理机构		代理人
主权项
地址

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