Dispositif électrique de projection d'une image formée par des électrons,申请号FRD816020-传众专利搜索

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发明名称	Dispositif électrique de projection d'une image formée par des électrons
摘要
申请公布号	FR816020(A)	申请公布日期	1937.07.28
申请号	FRD816020	申请日期	1937.01.06
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J29/02;H01J31/50	主分类号	H01J29/02
代理机构		代理人
主权项
地址

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