Writing instruments of the knock-type mechanical pencil unit haunt mechanism

• 1. 具备防干燥装置的出没式书写工具 [P] . 中国专利： CN108621640B . 2021.05.04
• 2. 具备防干燥装置的出没式书写工具 [P] . 中国专利： CN108621640A . 2018-10-09
• 3. Writing instruments of the knock-type mechanical pencil unit haunt mechanism [P] . 日本专利： JPH01131581U . 1989-09-06

  机译： 敲击式自动铅笔单元出没机构的书写工具

• 4. Mechanical pencil unit and writing instruments using this mechanical pencil unit [P] . 日本专利： JP6765347B2 . 2020-10-07

  机译： 自动铅笔单元和使用该自动铅笔单元的书写工具

• 5. Manufacturing method of mechanical pencil unit, haunting writing instrument and mechanical pencil unit [P] . 日本专利： JP2020131468A . 2020-08-31

  机译： 自动铅笔单元的制造方法，困扰书写工具和自动铅笔单元

• 1. On the mechanism of field emission from mechanical pencil lead [C] . Sasaki Masahiro, Endo Toshihiro, Higuchi Toshiharu, 2012 25th International Vacuum Nanoelectronics Conference. . 2012
• 2. PROBLEM-SOLVING IN MATHEMATICS: AN ANALYSIS OF DEFINITIONS AND PAPER AND PENCIL EVALUATIVE INSTRUMENTS USED BY SELECTED STATES AND SCHOOL DISTRICTS IN THE UNITED STATES. [D] . BARSON, LOIS HARRIET PROLMAN. 1986
• 3. Literacy Training of Kindergarten Children With Pencil Keyboard or Tablet Stylus: The Influence of the Writing Tool on Reading and Writing Performance at the Letter and Word Level [O] . Carmen Mayer, Stefanie Wallner, Nora Budde-Spengler, 2019
• 4. Literacy Training of Kindergarten Children With Pencil, Keyboard or Tablet Stylus: The Influence of the Writing Tool on Reading and Writing Performance at the Letter and Word Level [O] . Carmen Mayer, Stefanie Wallner, Nora Budde-Spengler, 2020

• 1. Design and analysis of mechanical self-destruction and self-neutralization mechanism for submunition fuze [J] . 许胜刚 ,吴炎烜 ,范宁军 . 北京理工大学学报：英文版 . 2015,第2期
• 2. A New Method for Type Synthesis of 2R1T and 2T1R 3-DOF Redundant Actuated Parallel Mechanisms with Closed Loop Units [J] . Yongquan Li ,Yang Zhang ,Lijie Zhang . 中国机械工程学报 . 2020,第006期
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• 4. 聚焦文本价值 探寻阅读教学新思路——以译林版牛津小学英语3B Unit 3"Is this your pencil?"为例 [J] . 沈丽婧 . 广西教育A（小教版） . 2019,第010期
• 5. Unit 3 Is this your pencil?Period 1 Section A(1a-2c)教学设计 [J] . 王楠楠 . 英语教师 . 2018,第007期
• 6. 敲击扫描式桥梁检测车 [C] . 向志海 ,张程皓 ,陆秋海 . 北京力学会第十九届学术年会 . 2013
• 7. 指向式旋转导向钻井工具导向偏置执行机构关键技术研究 [A] . 李洪涛 . 2015