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发明名称
Tube à décharge électronique
摘要
申请公布号
FR1286369(A)
申请公布日期
1962.03.02
申请号
FR19610858755
申请日期
1961.04.14
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H01J19/30
主分类号
H01J19/30
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代理人
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