Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746020 | Vertical lifting type drum coal-mining machine without rocker arm | Yimin Zhang, Wenjia Lu, Yanhui Zhao, Jinrui Zhang, Hangyuan Lv +3 more | 2020-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746020 | Vertical lifting type drum coal-mining machine without rocker arm | Yimin Zhang, Wenjia Lu, Yanhui Zhao, Jinrui Zhang, Hangyuan Lv +3 more | 2020-08-18 |