Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208888 | Process and device for supporting anchor bolt and anchor cable on successive mining working face | Changyan Pu, Mingpu Wang, Limin Wu, Fang Liu, Peng Wang +4 more | 2021-12-28 |