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经营范围
发明名称
Improvements in or relating to installations comprising an electric discharge tube
摘要
申请公布号
GB433769(A)
申请公布日期
1935.08.20
申请号
GB19350012342
申请日期
1935.04.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05B41/40
主分类号
H05B41/40
代理机构
代理人
主权项
地址
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