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发明名称
Improvements in electric discharge tubes containing luminous screens
摘要
申请公布号
GB496085(A)
申请公布日期
1938.11.24
申请号
GB19380002980
申请日期
1938.01.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C09K11/56
主分类号
C09K11/56
代理机构
代理人
主权项
地址
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