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发明名称
Illuminated display device
摘要
申请公布号
US1859516(A)
申请公布日期
1932.05.24
申请号
US19300505399
申请日期
1930.12.29
申请人
KEYES HENRY C
发明人
KEYES HENRY C.
分类号
G09F23/00
主分类号
G09F23/00
代理机构
代理人
主权项
地址
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