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发明名称
Display sign
摘要
申请公布号
US1754871(A)
申请公布日期
1930.04.15
申请号
US19290352018
申请日期
1929.04.02
申请人
AUTOLUX SIGN COMPANY
发明人
WISE WILLIAM P.
分类号
G09F13/14
主分类号
G09F13/14
代理机构
代理人
主权项
地址
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