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发明名称
Display device
摘要
申请公布号
US2731748(A)
申请公布日期
1956.01.24
申请号
US19520327065
申请日期
1952.12.20
申请人
POLAY HARVEY H
发明人
POLAY HARVEY H.
分类号
G09F1/06
主分类号
G09F1/06
代理机构
代理人
主权项
地址
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