Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316540 | Tower lifting device for rotary blasthole drill | Jie Zhao, Chengyun Zhu | 2019-06-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316540 | Tower lifting device for rotary blasthole drill | Jie Zhao, Chengyun Zhu | 2019-06-11 |