Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464845 | Combined furnace system for fire refining red impure copper | Xuanzhi Zhang, Jiajun Yin, Yongping Rao | 2016-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464845 | Combined furnace system for fire refining red impure copper | Xuanzhi Zhang, Jiajun Yin, Yongping Rao | 2016-10-11 |