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经营范围
发明名称
Ionenentladungsröhre mit flüssiger Kathode und Anode.
摘要
申请公布号
CH239453(A)
申请公布日期
1945.10.15
申请号
CHD239453
申请日期
1944.01.25
申请人
NV. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN NV. PHILIPS'
分类号
H01J13/14;H01J13/24
主分类号
H01J13/14
代理机构
代理人
主权项
地址
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