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发明名称
Glimmlichtroehre zur optischen Spannungs- oder Druckanzeige
摘要
申请公布号
DE742937(C)
申请公布日期
1943.12.15
申请号
DE1940G104172D
申请日期
1940.11.30
申请人
ALFRED GRAENTZEL
发明人
GRAENTZEL ALFRED
分类号
H01J17/06;H01J17/40
主分类号
H01J17/06
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