Perfectionnements aux phonographes,申请号FRD1182800-传众专利搜索

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发明名称	Perfectionnements aux phonographes
摘要
申请公布号	FR1182800(A)	申请公布日期	1959.06.29
申请号	FRD1182800	申请日期	1957.09.16
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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