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发明名称
Display device
摘要
申请公布号
US1744680(A)
申请公布日期
1930.01.21
申请号
US19260152572
申请日期
1926.12.04
申请人
CENTRAL SCIENTIFIC COMPANY
发明人
SHERRILL RICHARD M.
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
主权项
地址
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