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发明名称
Gas- und Dampfentladungsröhre mit flüssigen Metallelektroden.
摘要
申请公布号
CH197697(A)
申请公布日期
1938.05.15
申请号
CHD197697
申请日期
1937.04.03
申请人
HERRMANN CARL
发明人
CARL HERRMANN
分类号
H01J13/50
主分类号
H01J13/50
代理机构
代理人
主权项
地址
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