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经营范围
发明名称
Illuminated display
摘要
申请公布号
US2689422(A)
申请公布日期
1954.09.21
申请号
US19510208153
申请日期
1951.01.27
申请人
HOFF JEAN M
发明人
HOFF JEAN M.
分类号
G09F13/04
主分类号
G09F13/04
代理机构
代理人
主权项
地址
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