Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10996133 | Sealing tightness testing device | Changxiang Xu, Xiaozhong Zhang | 2021-05-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10996133 | Sealing tightness testing device | Changxiang Xu, Xiaozhong Zhang | 2021-05-04 |