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发明名称
Электронная лампа
摘要
申请公布号
SU27424(A1)
申请公布日期
1932.08.31
申请号
SU19290057791
申请日期
1929.11.05
申请人
BONCH-BRUEVICH M.A.
发明人
BONCH-BRUEVICH M.A.
分类号
H01J21/18;H01J21/10
主分类号
H01J21/18
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代理人
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