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发明名称
Display device
摘要
申请公布号
US2594903(A)
申请公布日期
1952.04.29
申请号
US19500170902
申请日期
1950.06.28
申请人
HARRY FREEDMAN;SOL FREEDMAN
发明人
FREEDMAN HARRY;FREEDMAN SOL
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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