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发明名称
Tube à décharge électronique à disques scellés comprenant une cathode émissive de position axiale réglable.
摘要
申请公布号
CH265966(A)
申请公布日期
1949.12.31
申请号
CHD265966
申请日期
1947.07.22
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
分类号
H01J1/20;H01J21/08
主分类号
H01J1/20
代理机构
代理人
主权项
地址
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