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经营范围
发明名称
Improvements in or relating to light reflectors and lanterns
摘要
申请公布号
GB489652(A)
申请公布日期
1938.08.02
申请号
GB19370002782
申请日期
1937.01.30
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;FREDERICK WILLIAM THORPE;ROBERT MAXTED
发明人
分类号
F21V7/10;F21V29/00
主分类号
F21V7/10
代理机构
代理人
主权项
地址
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