Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578598 | Method for coal mining without reserving coal pillar and tunneling roadway in whole mining area | Manchao He, Qiang Fu, Yajun Wang | 2023-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578598 | Method for coal mining without reserving coal pillar and tunneling roadway in whole mining area | Manchao He, Qiang Fu, Yajun Wang | 2023-02-14 |