Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10577770 | Self-starting negative pressure drainage system for draining groundwater in slope and construction method thereof | Hongyue Sun, Yuequan Shang, Yunhe Fan, Huan Xu, Feixiang Shuai +1 more | 2020-03-03 |