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发明名称
CHALK WITH OTHER COLOR CHALKS FOR BLACK BOARD
摘要
申请公布号
KR200204090(Y1)
申请公布日期
2000.11.15
申请号
KR20000014914U
申请日期
2000.05.26
申请人
JANG, DONG YEAL
发明人
JANG, DONG YEAL
分类号
B43K19/00;(IPC1-7):B43K19/00
主分类号
B43K19/00
代理机构
代理人
主权项
地址
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