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经营范围
发明名称
Improvements in and relating to lamps for projecting light beams
摘要
申请公布号
GB474779(A)
申请公布日期
1937.11.08
申请号
GB19360012940
申请日期
1936.05.07
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED;JACK ALFRED VIVEASH FAIRBROTHER
发明人
分类号
F21S8/00
主分类号
F21S8/00
代理机构
代理人
主权项
地址
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