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发明名称
Tube à décharges électriques
摘要
申请公布号
FR854610(A)
申请公布日期
1940.04.19
申请号
FRD854610
申请日期
1939.05.11
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J21/14
主分类号
H01J21/14
代理机构
代理人
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地址
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