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经营范围
发明名称
CATHODE RAY TUBE INCLUDING A MAGNETIC FOCUSING LENS
摘要
申请公布号
EP0249294(B1)
申请公布日期
1990.05.02
申请号
EP19870201083
申请日期
1987.06.05
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
DUWAER, ARNE LEX;VAN ALPHEN, WILLEM MEIJNDERT
分类号
H01J29/56;H01J29/66;H01J29/70;H01J29/74;H01J31/10
主分类号
H01J29/56
代理机构
代理人
主权项
地址
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