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发明名称
Elektrische Kathodenglimmlichtlampe mit mehr als zwei Elektroden
摘要
申请公布号
DE680551(C)
申请公布日期
1939.08.31
申请号
DE1938P077728D
申请日期
1938.08.07
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
GAIDIES GEORG
分类号
H01J17/40;H01J61/64
主分类号
H01J17/40
代理机构
代理人
主权项
地址
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