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发明名称
Glimudladningsrør med hjælpeanode.
摘要
申请公布号
DK89407(C)
申请公布日期
1960.07.25
申请号
DK19570002145
申请日期
1957.06.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J;(IPC1-7):H01J
主分类号
H01J
代理机构
代理人
主权项
地址
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