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发明名称
Perfectionnements aux anodes en treillis des tubes à vide
摘要
申请公布号
FR921854(A)
申请公布日期
1947.05.21
申请号
FRD921854
申请日期
1945.12.06
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
H01J19/38
主分类号
H01J19/38
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