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发明名称
Improvements in electric discharge tubes
摘要
申请公布号
GB418980(A)
申请公布日期
1934.11.05
申请号
GB19330010094
申请日期
1933.04.04
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;JOHN WALTER RYDE
发明人
分类号
H01J61/04
主分类号
H01J61/04
代理机构
代理人
主权项
地址
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