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发明名称
Apparatus for providing luminous backgrounds for displays
摘要
申请公布号
GB484810(A)
申请公布日期
1938.05.11
申请号
GB19360030891
申请日期
1936.11.12
申请人
ALFRED WILLIAM BEUTTELL
发明人
分类号
G09F13/00
主分类号
G09F13/00
代理机构
代理人
主权项
地址
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