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发明名称
Cathodes moulées à chauffage indirect pour tubes électroniques de grande puissance
摘要
申请公布号
FR983091(A)
申请公布日期
1951.06.19
申请号
FRD983091
申请日期
1949.01.26
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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