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发明名称
Pompe à vide électronique
摘要
申请公布号
FR1379015(A)
申请公布日期
1964.11.20
申请号
FR19630949876
申请日期
1963.10.08
申请人
SOCIETE EUROPEENNE DES SEMICONDUCTEURS
发明人
BOBENRIETH ALBERT
分类号
H01J41/16
主分类号
H01J41/16
代理机构
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