SEMICONDUCTOR DEVICE FOR PRODUCING AN ELECTRON BEAM,申请号EP19850200083-传众专利搜索

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发明名称	SEMICONDUCTOR DEVICE FOR PRODUCING AN ELECTRON BEAM
摘要
申请公布号	EP0150885(B1)	申请公布日期	1988.06.29
申请号	EP19850200083	申请日期	1985.01.28
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	VAN DER MAST, KAREL DIEDERICK;HOEBERECHTS, ARTHUR MARIE EUGENE;VAN GORKOM, GERARDUS GEGORIUS PETRUS
分类号	H01J29/04;H01J1/308;H01J31/12;H01J31/38;H01J37/073;(IPC1-7):H01J1/30	主分类号	H01J29/04
代理机构		代理人
主权项
地址

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