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经营范围
发明名称
Improvements in or relating to daylight reflecting devices
摘要
申请公布号
GB647116(A)
申请公布日期
1950.12.06
申请号
GB19480018356
申请日期
1948.07.08
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
FISK ERNEST THOMAS
分类号
F24F13/15
主分类号
F24F13/15
代理机构
代理人
主权项
地址
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