Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683939 | Ocean depth automatic compensation type full-ocean-depth hydraulic control water stop valve | Defa Wu, Chao Li, Yinshui Liu, Qian Cheng, Zhenyao Wang +3 more | 2020-06-16 |