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发明名称
BLACKBOARD ERASER
摘要
申请公布号
KR960008650(Y1)
申请公布日期
1996.10.07
申请号
KR19940015032U
申请日期
1994.06.22
申请人
KIM, MIN-JA
发明人
KIM, MIN-JA
分类号
B43L21/00;(IPC1-7):B43L21/00
主分类号
B43L21/00
代理机构
代理人
主权项
地址
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