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发明名称
METHOD OF PRODUCING AN ELECTRON BEAM RESULTING IN HIGH CURRENT DENSITY OVER ITS TARGET SURFACE AND ELECTRON GUN THEREFOR
摘要
申请公布号
PL146420(B1)
申请公布日期
1989.02.28
申请号
PL19830244154
申请日期
1983.10.14
申请人
发明人
分类号
H01J29/48;(IPC1-7):H01J29/48;H01J29/58
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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