Elektrisk lysende Rør med positiv Søjleudladning.,申请号DKD44140-传众专利搜索

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发明名称	Elektrisk lysende Rør med positiv Søjleudladning.
摘要
申请公布号	DK44140(C)	申请公布日期	1931.05.18
申请号	DKD44140	申请日期	1929.08.02
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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