Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473427 | Physical simulation test method for detecting position of ponding goaf in excavation | Guorui Feng, Jiaqing Cui, Haina Jiang, Zhen Li, Cheng Wei Song +3 more | 2022-10-18 |