Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10581058 | Welding assembly for liquid-injection hole of secondary battery | Yuqian WEN, Chao Yang, Lei Zhang | 2020-03-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10581058 | Welding assembly for liquid-injection hole of secondary battery | Yuqian WEN, Chao Yang, Lei Zhang | 2020-03-03 |