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发明名称
Easel or support for posters and the like
摘要
申请公布号
US1870798(A)
申请公布日期
1932.08.09
申请号
US19310534733
申请日期
1931.05.04
申请人
EINSON-FREEMAN CO., INC.
发明人
EINSON MORRIS M.
分类号
A47G1/14;G09F15/00
主分类号
A47G1/14
代理机构
代理人
主权项
地址
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