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发明名称
Improvements in or relating to electron discharge devices and to targets therefor
摘要
申请公布号
GB857615(A)
申请公布日期
1961.01.04
申请号
GB19580009152
申请日期
1958.03.21
申请人
WESTERN ELECTRIC COMPANY
发明人
分类号
H01J31/06;H03M1/00
主分类号
H01J31/06
代理机构
代理人
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