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发明名称
Демонстрационная электронная лампа
摘要
申请公布号
SU61748(A1)
申请公布日期
1941.11.30
申请号
SU19400000096
申请日期
1940.04.16
申请人
STRATILATOV B.I.
发明人
STRATILATOV B.I.
分类号
G09B23/18
主分类号
G09B23/18
代理机构
代理人
主权项
地址
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