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发明名称
Display sign
摘要
申请公布号
US1812979(A)
申请公布日期
1931.07.07
申请号
US19300450936
申请日期
1930.05.09
申请人
JEROME PASINI
发明人
PASINI JEROME
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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