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经营范围
发明名称
Improvements in or relating to electron discharge devices for generating high frequency oscillations
摘要
申请公布号
GB914307(A)
申请公布日期
1963.01.02
申请号
GB19580008900
申请日期
1958.03.20
申请人
ELECTRIC AND MUSICAL INDUSTRIES LIMITED
发明人
WOOTTON DOUGLAS JAQUES
分类号
H01J25/68;H03B9/02
主分类号
H01J25/68
代理机构
代理人
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