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发明名称
Méthode perfectionnée de fabrication des montures de cathodes
摘要
申请公布号
FR60824(E)
申请公布日期
1955.01.31
申请号
FRD60824
申请日期
1950.03.28
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
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