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发明名称
Perfectionnements aux dispositifs photoémissifs
摘要
申请公布号
FR1282973(A)
申请公布日期
1962.01.27
申请号
FR19610854692
申请日期
1961.03.06
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
分类号
H01J43/08
主分类号
H01J43/08
代理机构
代理人
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