Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077518 | Double-head double-sided high-efficiency friction stir welding device and welding method thereof | Qiang Meng, Hao Wang | 2021-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077518 | Double-head double-sided high-efficiency friction stir welding device and welding method thereof | Qiang Meng, Hao Wang | 2021-08-03 |