Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773683 | Segmented grouting method for ramp drivage in aquifer | Chao Liu, Yunpu Qi, Zhanglun Song, Shuai Zhang, Shenghua Yin +3 more | 2023-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773683 | Segmented grouting method for ramp drivage in aquifer | Chao Liu, Yunpu Qi, Zhanglun Song, Shuai Zhang, Shenghua Yin +3 more | 2023-10-03 |