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发明名称
Tube à décharges électriques
摘要
申请公布号
FR717583(A)
申请公布日期
1932.01.11
申请号
FRD717583
申请日期
1931.05.23
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
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