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经营范围
发明名称
Improvements in or relating to devices comprising an electric luminous discharge tube
摘要
申请公布号
GB388665(A)
申请公布日期
1933.03.02
申请号
GB19320021302
申请日期
1932.07.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
F23L17/02;H05B41/22
主分类号
F23L17/02
代理机构
代理人
主权项
地址
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