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用于儿童手指肌肉锻炼的小球发射积木模块

Translated title of the contribution: A small ball launching building block module is used for child finger muscle exercise
  • Dongchen Han (Inventor)
  • , Yixuan Bian (Inventor)
  • , Jie Sun (Inventor)
  • , Rui Yang (Inventor)
  • NA

Research output: Patent

Translated title of the contributionA small ball launching building block module is used for child finger muscle exercise
Original languageChinese (Simplified)
Patent granted numberCN213049409U
Validity date27/08/30
Publication statusPublished - 27 Apr 2021

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