ELECTRON DISCHARGE DEVICE,申请号CAD391549-传众专利搜索

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发明名称	ELECTRON DISCHARGE DEVICE
摘要
申请公布号	CA391549(A)	申请公布日期	1940.09.24
申请号	CAD391549	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	ALDERT VAN DER ZIEL;MAXIMILIAN JULIUS OTTO STRUTT
分类号		主分类号
代理机构		代理人
主权项
地址

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