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经营范围
发明名称
Improvements in and relating to electric lamps
摘要
申请公布号
GB718686(A)
申请公布日期
1954.11.17
申请号
GB19520032856
申请日期
1952.12.29
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J5/62
主分类号
H01J5/62
代理机构
代理人
主权项
地址
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