Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787906 | Roadway forming method by expanding excavating and filling gangue paste in thick coal seam | Zhongping Guo, Weizhen Liu, Huiqiang Duan, Hengze Yang, Wenwu Xie | 2020-09-29 |