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发明名称
Display and like devices
摘要
申请公布号
US2769553(A)
申请公布日期
1956.11.06
申请号
US19530337846
申请日期
1953.02.19
申请人
GRAY HORTON WILLIAM
发明人
HORTON WILLIAM GRAY
分类号
G09F7/06
主分类号
G09F7/06
代理机构
代理人
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