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发明名称
自动铅笔式涂答题卡笔
摘要
本发明提供一种自动铅笔式涂答题卡笔,自动铅笔杆的笔头上设置有与扁形铅芯吻合一致的扁形口。由此设置,可让涂答题卡铅笔能像自动铅笔一样通过更换铅芯不断使用。
申请公布号
CN106585181A
申请公布日期
2017.04.26
申请号
CN201510680124.3
申请日期
2015.10.20
申请人
襄阳市第三十九中学
发明人
陈超凡
分类号
B43K21/00(2006.01)I
主分类号
B43K21/00(2006.01)I
代理机构
代理人
主权项
一种自动铅笔式涂答题卡笔,包括自动铅笔杆(1),其特征在于:自动铅笔杆(1)的笔头上设置有与扁形铅芯吻合一致的扁形口(2)。
地址
441002 湖北省襄樊市樊城区人民路29号
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