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发明名称
Verfahren zur Herstellung von auf axialen Astigmatismus korrigierten elektrostatischen elektronenoptischen Linsensystemen
摘要
申请公布号
DE971743(C)
申请公布日期
1959.03.19
申请号
DE1954V006707
申请日期
1954.01.08
申请人
VEB FREIBERGER PRAEZISIONSMECHANIK
发明人
HAHN EBERHARD
分类号
H01J29/56
主分类号
H01J29/56
代理机构
代理人
主权项
地址
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