Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443380 | Asymmetric support structure of entry driven along gob-side under unstable roof in deep mines and construction method thereof | Kegong Fan, Chunyuan Jing, Deli Fan, Chuanwei Zang | 2019-10-15 |