Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970945 | Hole protection system and method for coal seam slotting and fracturing combined drainage | Xiaoyan Sun, Quanle Zou, Qican RAN, Jinyan LIANG, Ning Li +1 more | 2024-04-30 |