Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472063 | Wire saw excavation apparatus capable of changing cutting line in accordance with cutting section and tunnel excavation method using same | — | 2022-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472063 | Wire saw excavation apparatus capable of changing cutting line in accordance with cutting section and tunnel excavation method using same | — | 2022-10-18 |