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经营范围
发明名称
Easels for holding cards, photographs, or the like
摘要
申请公布号
US2919512(A)
申请公布日期
1960.01.05
申请号
US19530369351
申请日期
1953.07.21
申请人
HIGGINS DOROTHY K
发明人
HIGGINS DOROTHY K.
分类号
A47G1/14;G09F1/14
主分类号
A47G1/14
代理机构
代理人
主权项
地址
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