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发明名称
Tube électronique
摘要
申请公布号
FR1096039(A)
申请公布日期
1955.06.08
申请号
FRD1096039
申请日期
1954.03.18
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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