scissors with pencil sharpener printed for pupils

• 1. 一种小学生用电动铅笔刀 [P] . 中国专利： CN215751639U . 2022-02-08
• 2. 一种小学生用的多功能笔及小学生用的多功能笔的腰包 [P] . 中国专利： CN206106733U . 2017.04.19
• 3. scissors with pencil sharpener printed for pupils [P] . IT8023795V0 . 1980-12-31

  机译： 小学生用铅笔刀剪

• 4. scissors with pencil sharpener printed for schoolchildren. [P] . IT8027024D0 . 1980-12-31

  机译： 带有削笔刀的剪刀，为小学生印刷。

• 5. Decorative scissor holder with built in pencil sharpener [P] . 美国专利： US2005086810A1 . 2005-04-28

  机译： 带内置卷笔刀的装饰剪刀架

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• 3. Design and Application of Humanized Pencil Sharpener [C] . Xia Zhi-Liang, Tian Qi-Ming International Conference on Mechanical Engineering and Intelligent Systems . 2015
• 4. A Record of an Exhibition of Printmaking Titled Cutting the Grass with Scissors with a Corollary Statement [D] . Dean, Taylor. 2021
• 5. Electrochemical Preparation of a Molecularly Imprinted Polypyrrole-modified Pencil Graphite Electrode for Determination of Ascorbic Acid [O] . Levent Özcan, Mutlu Şahin, Yücel Şahin 2008
• 6. Design and Application of Humanized Pencil Sharpener [O] . Zhi-Liang Xia, Qi-Ming Tian 2015

• 1. 电动铅笔刨Electric Pencil－sharpener [J] . 王元荪 . 文体用品与科技 . 2003,第008期
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