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发明名称
Display device
摘要
申请公布号
US2629187(A)
申请公布日期
1953.02.24
申请号
US19500174220
申请日期
1950.07.17
申请人
NIBERT BENJAMIN E
发明人
NIBERT BENJAMIN E.
分类号
G09B25/02
主分类号
G09B25/02
代理机构
代理人
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