Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105708 | Bidirectional variable cross-section water-pressure bearer cycle test system for coal mine water inrush model test | Qiang Wu, Lei Niu, Shucai Li, Yifan Zeng, Shengheng Xu | 2021-08-31 |