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经营范围
发明名称
Tube électronique
摘要
申请公布号
FR68498(E)
申请公布日期
1958.04.30
申请号
FRD68498
申请日期
1955.07.13
申请人
COMPAGNIE INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES
发明人
PATRIARCHE PIERRE
分类号
H01J19/42
主分类号
H01J19/42
代理机构
代理人
主权项
地址
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