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发明名称
Elektrische Kathodenglimmlichtroehre zur Konstanthaltung von Spannungen
摘要
申请公布号
DE729244(C)
申请公布日期
1942.12.11
申请号
DE1940P081803D
申请日期
1940.02.24
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
GAIDIES GEORG
分类号
H01J17/06;H01J17/40
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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