Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746654 | Kind of no-pillar and gob-side entry retaining mining and construction method without the mining area division | Qihua Ma, Zhongcheng Qin, Kegong Fan, Zhongping Guo, Zhijie WEN | 2023-09-05 |