Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822913 | Energy-gathered bundle type nesting plugging and wall reinforcing device and application thereof in karst cave plugging | Yiqun Zhang, Ya LIU, Gensheng Li, Zhongwei Huang, Huaizhong Shi +2 more | 2020-11-03 |