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经营范围
发明名称
Improvements in or relating to directional lighting fittings
摘要
申请公布号
GB486618(A)
申请公布日期
1938.06.08
申请号
GB19370000315
申请日期
1937.01.05
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;WILLIAM FREDERICK SOUTHWELL DEBENHAM
发明人
分类号
F21V17/14
主分类号
F21V17/14
代理机构
代理人
主权项
地址
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