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发明名称
Procédé pour la fabrication de cathodes thoriées à pouvoir d'émission élevé pour des tubes à décharge électrique
摘要
申请公布号
FR1405304(A)
申请公布日期
1965.07.09
申请号
FR19640975778
申请日期
1964.05.25
申请人
EGYESUELT IZZOLAMPA ES VILLAMOSSAGI RESZVENYTARSASAG
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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