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经营范围
发明名称
Improvements in and relating to cathode ray apparatus
摘要
申请公布号
GB624004(A)
申请公布日期
1949.05.26
申请号
GB19460022365
申请日期
1946.07.26
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J29/54
主分类号
H01J29/54
代理机构
代理人
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