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发明名称
Elektrische Kathodenglimmlichtlampe mit Edelgasfuellung, einem verdampfbaren Metalle und einer fuer ultraviolette Strahlen durchlaessigen Huelle
摘要
申请公布号
DE517769(C)
申请公布日期
1931.02.07
申请号
DED517769D
申请日期
1930.01.29
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
分类号
H01J61/28
主分类号
H01J61/28
代理机构
代理人
主权项
地址
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