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经营范围
发明名称
Improvements in or relating to lighting apparatus embodying high pressure metal vapour electric discharge lamps
摘要
申请公布号
GB537573(A)
申请公布日期
1941.06.26
申请号
GB19400005570
申请日期
1940.03.28
申请人
FERRANTI LIMITED;MORRIS ERNEST SIONS;ARTHUR LESLIE CHILCOT
发明人
分类号
H05B41/04
主分类号
H05B41/04
代理机构
代理人
主权项
地址
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