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发明名称
能覆盖笔迹的书写与绘图器具
摘要
本实用新型提供了一种能覆盖笔迹的书写与绘图器具,该器具由书写绘图装置和覆盖笔迹装置组成。其中的覆盖笔迹装置有外壳、内芯及内芯弹簧等基本构件。具有结构简单、成本较低、便于制造的优点。
申请公布号
CN86207086U
申请公布日期
1987.12.09
申请号
CN86207086
申请日期
1986.09.19
申请人
侯燕宁
发明人
侯燕宁;周静宁;邱静
分类号
B43K29/00
主分类号
B43K29/00
代理机构
代理人
主权项
1、一种具有公知的书写绘图功能还具有覆盖笔迹功能的书写与绘图器具,其连杆上装着书写或绘图装置和覆盖笔迹装置,其特征是其覆盖笔迹装置由外壳、内芯、内芯弹簧组成基本构件,其外壳内储存涂改液,可运动的内芯由内芯弹簧控制。
地址
江苏省南京市南京军区总医院口腔科
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