Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091940 | Device for grinding side surface of inner wall of rock borehole | Quan Jiang, Pengfei Chen, Herui Zhao | 2024-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091940 | Device for grinding side surface of inner wall of rock borehole | Quan Jiang, Pengfei Chen, Herui Zhao | 2024-09-17 |