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发明名称
Flag display cabinet in which the flag is held on a roller
摘要
申请公布号
US2506209(A)
申请公布日期
1950.05.02
申请号
US19450605944
申请日期
1945.07.19
申请人
OSCAR R. GLASS, JR.
发明人
GLASS MARGARET C.
分类号
G09F17/00
主分类号
G09F17/00
代理机构
代理人
主权项
地址
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