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发明名称
Improvements in electric discharge tubes
摘要
申请公布号
GB397162(A)
申请公布日期
1933.08.08
申请号
GB19310033915
申请日期
1931.12.07
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
G01L23/26;H01J61/72
主分类号
G01L23/26
代理机构
代理人
主权项
地址
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