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发明名称
Elektronenstrahlroehre fuer die Zwecke des Fernsehens oder der Bildtelegraphie
摘要
申请公布号
DE677465(C)
申请公布日期
1939.06.26
申请号
DE1931SC94998D
申请日期
1931.08.09
申请人
FERNSEH AKT.-GES.
发明人
分类号
H01J29/58
主分类号
H01J29/58
代理机构
代理人
主权项
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