| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Устройство для проведения лигатур / Н. Я. Прокопьев, А. Н. Прокопьев, О. Ф. Шабелянская — <URL:http://www.fips.ru/Archive/PAT/2006FULL/2006.12.10/DOC/RUNWU1/000/000/000/058/897/document.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2021 | 0 | 0 | 0 | 1 | 1 |
| 2022 | 0 | 0 | 0 | 0 | 0 |
| Year 2023 | 0 | 0 | 0 | 1 | 1 |
| Year 2024 | 0 | 0 | 0 | 1 | 1 |
| Year 2025 | 0 | 0 | 0 | 4 | 4 |
| Total | 0 | 0 | 0 | 7 | 7 |