Improvement made to the slates to schoolchildren or other flat articles, in order to make them soundless

• 1. 扁平状物品进料装置以及扁平状物品包装系统 [P] . 中国专利： CN105329483A . 2016-02-17
• 2. 扁平状物品进料装置以及扁平状物品包装系统 [P] . 中国专利： CN203975286U . 2014.12.03
• 3. Improvements made to the slates to schoolchildren [P] . 法国专利： FR1253908A . 1961-02-17

  机译： 对学童板岩的改进

• 4. Improvements to the slates of schoolchildren and other [P] . 法国专利： FR912743A . 1946-08-19

  机译： 改善学童和其他人的状况

• 5. Improvements to the processes for the manufacture of slates are intended to the artificial schoolchildren [P] . 法国专利： FR49124E . 1938-11-07

  机译： 板岩制造工艺的改进是针对人工学童的

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• 6. Achievement of Highly Flat Edge with Double-Layered Polishing Pad (Improvement of Edge Flatness with Softening Upper Layer) [O] . Urara SATAKE, Toshiyuki ENOMOTO, Takahiro MIYAKE, 2012

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• 5. 面向物品操作基于改进点对特征的家庭物品姿态估计 [A] . 贾正伟 . 2020