History of changes
Rospatent named the most interesting inventions to combat COVID-19
| 01.02.2021 14:15:24 |
| 26.01.2021 12:57:30 |
| 26.01.2021 11:18:00 |
| 26.01.2021 11:15:20 |
| 25.12.2020 09:12:49 |
| 24.12.2020 18:10:42 |
| 24.12.2020 18:09:56 |
| 24.12.2020 18:09:08 |
| 24.12.2020 18:07:41 |
| 24.12.2020 18:07:30 |
| 24.12.2020 17:46:23 |
| 24.12.2020 17:45:19 |
| 24.12.2020 17:40:53 |
| 24.12.2020 17:30:43 |
| 24.12.2020 15:01:45 |