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发明名称
SLATE PENCIL
摘要
申请公布号
KR860000581(Y1)
申请公布日期
1986.04.12
申请号
KR19840000875U
申请日期
1984.02.01
申请人
YU, UI-SHIK
发明人
YU, UI-SHIK
分类号
B43K19/12
主分类号
B43K19/12
代理机构
代理人
主权项
地址
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