Ball projecting gun with ball feeding obstacle game table

• 1. 投球无反弹带力度检测装置的投球游戏机及其无反弹球 [P] . 中国专利： CN201565111U . 2010.09.01
• 2. 一种避免误伤的儿童智能投球游戏装置 [P] . 中国专利： CN112451960A . 2021-03-09
• 3. COMBINED BALL OBSTACLE AND PROJECTOR FOR A GAME TABLE [P] . 美国专利： US3472513A . 1969-10-14

  机译： 游戏桌的组合式球障碍物和投影仪

• 4. COMBINED BALL OBSTACLE AND PROJECTOR FOR A GAME TABLE [P] . ES335728A1 . 1968-03-16

  机译： 游戏桌的组合式球障碍物和投影仪

• 5. Table ball game, particularly table basketball or hand-ball game, has game field, game ball and multiple game pieces which are movable over game field by actuating units and are rotatable around axis [P] . 德国专利： DE102011119170A1 . 2013-05-29

  机译： 桌上球游戏，特别是桌上篮球或手球游戏，具有游戏场，游戏球和多个游戏块，这些游戏块可通过致动单元在游戏场上移动并绕轴旋转

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• 6. Effect of Specific Drills through Table Tennis Ball Feeding Machine on Selected Skill Performance Variables of Non- Table Tennis Players [O] . Dr. Koushik Bhowmik 2018

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