Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975696 | Grouting anchor bolt and grouting anchor cable for supporting of large deformation and constant resistance and quantitative roadway supporting method | Shaoshuai SHI, Shengli Yang, Lei Tian, Fanbao Meng, Enrui Xing | 2021-04-13 |