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发明名称
An improved cathode-ray tube device for generating high-frequency oscillations
摘要
申请公布号
GB555790(A)
申请公布日期
1943.09.08
申请号
GB19410013659
申请日期
1941.10.23
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J25/78
主分类号
H01J25/78
代理机构
代理人
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