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发明名称
Improvements in and relating to electron multipliers
摘要
申请公布号
GB468623(A)
申请公布日期
1937.07.05
申请号
GB19350030989
申请日期
1935.11.08
申请人
JOHN EDGAR KEYSTON
发明人
分类号
H01J25/76;H01J43/08;H01J43/30
主分类号
H01J25/76
代理机构
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