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经营范围
发明名称
Электронно-лучевая трубка
摘要
申请公布号
SU77461(A3)
申请公布日期
1948.11.30
申请号
SU19410039642
申请日期
1941.01.07
申请人
GLAVNOE UPRAVLENIE ELEKTROSLABOTOCHNOJ PROMYSHLENNOSTI
发明人
D.S. DONEL
分类号
H04N5/74
主分类号
H04N5/74
代理机构
代理人
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