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发明名称
Perfectionnements aux tubes électroniques à gaz
摘要
申请公布号
FR1124913(A)
申请公布日期
1956.10.22
申请号
FRD1124913
申请日期
1955.02.09
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
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