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发明名称
Advertising display stand
摘要
申请公布号
US1839881(A)
申请公布日期
1932.01.05
申请号
US19310531076
申请日期
1931.04.18
申请人
GEORGE HYMAN
发明人
HYMAN GEORGE
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
主权项
地址
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