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发明名称
PLACARD HANGING SYSTEM
摘要
申请公布号
KR200170732(Y1)
申请公布日期
2000.02.15
申请号
KR19990017895U
申请日期
1999.08.26
申请人
LEE, SEUNG-KOOK
发明人
LEE, SEUNG-KOOK
分类号
G09F15/00;(IPC1-7):G09F15/00
主分类号
G09F15/00
代理机构
代理人
主权项
地址
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