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发明名称
Systèmes stigmatiques pour accélérer positivement ou négativement les électrons réalisation, par leur association, de lentilles électrostatiques, épaisses et stigmatiques
摘要
申请公布号
FR1014480(A)
申请公布日期
1952.08.18
申请号
FRD1014480
申请日期
1947.03.04
申请人
发明人
RENAUD PAUL
分类号
H01J3/02;H01J29/62
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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