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发明名称
Variable magnification electron lens
摘要
申请公布号
US3286114(A)
申请公布日期
1966.11.15
申请号
US19630308952
申请日期
1963.09.16
申请人
GENERAL ELECTRIC COMPANY
发明人
SCHLESINGER KURT
分类号
H01J29/62;H01J31/50
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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