| Translated title of the contribution | A small ball launching building block module is used for child finger muscle exercise |
|---|---|
| Original language | Chinese (Simplified) |
| Patent granted number | CN213049409U |
| Validity date | 27/08/30 |
| Publication status | Published - 27 Apr 2021 |
用于儿童手指肌肉锻炼的小球发射积木模块
Research output: Patent