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发明名称
Improvements in luminous electric discharge tubes
摘要
申请公布号
GB342549(A)
申请公布日期
1931.02.05
申请号
GB19300005437
申请日期
1930.02.18
申请人
THE GENFRAL ELECTRIC COMPANY LIMITED
发明人
分类号
H01J61/28
主分类号
H01J61/28
代理机构
代理人
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