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发明名称
Display device
摘要
申请公布号
US1793862(A)
申请公布日期
1931.02.24
申请号
US19290406097
申请日期
1929.11.09
申请人
THE AMERICAN TOBACCO COMPANY
发明人
MALLGRAF FERDINAND
分类号
A47F5/11
主分类号
A47F5/11
代理机构
代理人
主权项
地址
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