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经营范围
发明名称
NULL
摘要
The present invention relates to pencil erasers which are convenient because a pencil lead is placed inside an eraser. The pencil erasers are used by fixing the pencil lead after penetrating the center of the eraser.
申请公布号
KR20160063686(A)
申请公布日期
2016.06.07
申请号
KR20140167255
申请日期
2014.11.27
申请人
SIN, JEONG HUN
发明人
SIN, JEONG HUN
分类号
B43L19/00;B43K29/02
主分类号
B43L19/00
代理机构
代理人
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