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发明名称
ELEKTRONENSTRAHLROEHRE MIT WENDELFOKUSSIERLINSE.
摘要
申请公布号
DE68904859(D1)
申请公布日期
1993.03.25
申请号
DE19896004859
申请日期
1989.09.15
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN, NL
发明人
VRIJSSEN, GERARDUS ARNOLDUS HERMAN MARIA;VAN RIJSWIJK, RONALD, NL-5656 AA EINDHOVEN, NL
分类号
H01J29/48;H01J29/50;H01J29/62;H01J29/82;(IPC1-7):H01J29/82
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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