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经营范围
发明名称
Improvements in or relating to electrical glow discharge tubes
摘要
申请公布号
GB333692(A)
申请公布日期
1930.08.21
申请号
GB19290019817
申请日期
1929.06.27
申请人
CECIL REGINALD BURCH;FRANK EDMUND BANCROFT;ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01J5/30
主分类号
H01J5/30
代理机构
代理人
主权项
地址
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