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发明名称
摘要
申请公布号	FR2274136(B1)	申请公布日期	1979.05.11
申请号	FR19750017896	申请日期	1975.06.09
申请人	PHILIPS GLOEILAMPENFABRIEKEN NV	发明人
分类号	H01J9/227;(IPC1-7):H01J9/20;G03F7/00;H01J31/20	主分类号	H01J9/227
代理机构		代理人
主权项
地址

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