History of changes
Russia is in the top seven countries for emerging vision assistive technologies inventions
| 08.05.2021 18:36:08 |
| 08.05.2021 18:35:02 |
| 01.04.2021 10:19:57 |
| 01.04.2021 10:18:31 |
| 08.05.2021 18:36:08 |
| 08.05.2021 18:35:02 |
| 01.04.2021 10:19:57 |
| 01.04.2021 10:18:31 |