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经营范围
发明名称
Improvements in electron beam tubes
摘要
申请公布号
GB704323(A)
申请公布日期
1954.02.17
申请号
GB19500007501
申请日期
1950.03.24
申请人
COMMISSARIAT A L'ENERGIE ATOMIQUE
发明人
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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