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经营范围
发明名称
Tube à décharge à courant concentré de particules chargées électriquement.
摘要
申请公布号
CH257565(A)
申请公布日期
1948.10.15
申请号
CHD257565
申请日期
1946.11.01
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H01J29/74
主分类号
H01J29/74
代理机构
代理人
主权项
地址
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