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发明名称
Elektronenstrahlroehre mit zwei vierpoligen elektrostatischen Elektronenlinsen
摘要
申请公布号
DE1286648(B)
申请公布日期
1969.01.09
申请号
DE196300N3854
申请日期
1963.10.08
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
ERIC JOHNSON, KEITH
分类号
H01J29/62
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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