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发明名称
Improved devices comprising at least one super-pressure mercury vapour discharge tube
摘要
申请公布号
GB488352(A)
申请公布日期
1938.07.05
申请号
GB19370032408
申请日期
1937.11.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J61/82
主分类号
H01J61/82
代理机构
代理人
主权项
地址
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