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发明名称
Procédé de fabrication de grilles pour tubes à décharge et tubes à décharge comportant une telle grille
摘要
申请公布号
FR1018139(A)
申请公布日期
1952.12.26
申请号
FRD1018139
申请日期
1950.05.17
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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