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发明名称
Tube à décharge électrique
摘要
申请公布号
FR892387(A)
申请公布日期
1944.04.05
申请号
FRD892387
申请日期
1943.03.15
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J19/34
主分类号
H01J19/34
代理机构
代理人
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