Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612378 | Method for recovering room-mining coal pillars by solid filling in synergy with artificial pillars | Jixiong Zhang, Qiang Zhang, Kun Fang, Xiaole Han | 2020-04-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612378 | Method for recovering room-mining coal pillars by solid filling in synergy with artificial pillars | Jixiong Zhang, Qiang Zhang, Kun Fang, Xiaole Han | 2020-04-07 |