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经营范围
发明名称
Improvements in or relating to apparatus for screening or shielding thermionic valves and the like
摘要
申请公布号
GB649059(A)
申请公布日期
1951.01.17
申请号
GB19480016807
申请日期
1948.06.23
申请人
ELECTRIC AND MUSICAL INDUSTRIES LIMITED
发明人
FAUDELL CHARLES LESLIE
分类号
H01J5/12;H01J19/66
主分类号
H01J5/12
代理机构
代理人
主权项
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