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发明名称
Improvements in electrode systems for rectifying or controlling electrical oscillations
摘要
申请公布号
GB463230(A)
申请公布日期
1937.03.24
申请号
GB19360018267
申请日期
1936.07.01
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01L21/00
主分类号
H01L21/00
代理机构
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