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发明名称
House number indicating device
摘要
申请公布号
US2601733(A)
申请公布日期
1952.07.01
申请号
US19480011467
申请日期
1948.02.27
申请人
DUREY CLARENCE M
发明人
DUREY CLARENCE M.
分类号
G09F3/20
主分类号
G09F3/20
代理机构
代理人
主权项
地址
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