Procédé pour faire fonctionner un tube à décharges électriques,申请号FRD715546-传众专利搜索

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发明名称	Procédé pour faire fonctionner un tube à décharges électriques
摘要
申请公布号	FR715546(A)	申请公布日期	1931.12.04
申请号	FRD715546	申请日期	1931.04.16
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J13/14;H01J61/54	主分类号	H01J13/14
代理机构		代理人
主权项
地址

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