Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752824 | Low-temperature device for separating and purifying gas based on small-sized low-temperature refrigerating machine | Wenqing Dong, Wei-Min Chao, Jie Chen, Ao Li | 2017-09-05 |