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发明名称
Lighting systems and lighting units for use therein
摘要
申请公布号
GB578184(A)
申请公布日期
1946.06.18
申请号
GB19440025547
申请日期
1944.12.20
申请人
HOLOPHANE LIMITED
发明人
分类号
F21V7/09
主分类号
F21V7/09
代理机构
代理人
主权项
地址
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