élément convertisseur électro-mécanique,申请号FR19590803471-传众专利搜索

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发明名称	élément convertisseur électro-mécanique
摘要
申请公布号	FR76185(E)	申请公布日期	1961.09.22
申请号	FR19590803471	申请日期	1959.08.25
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	C04B35/46;C04B35/48;C04B35/50;C04B35/51	主分类号	C04B35/46
代理机构		代理人
主权项
地址

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