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经营范围
发明名称
Improvements in or relating to luminous electric discharge tubes
摘要
申请公布号
GB419955(A)
申请公布日期
1934.11.22
申请号
GB19330014761
申请日期
1933.05.22
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;VICTOR JAMES FRANCIS;JOHN WALTER RYDE
发明人
分类号
H01J61/82
主分类号
H01J61/82
代理机构
代理人
主权项
地址
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