Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242488 | Device for determining expansion pressure and expansion displacement generated by coking coal based on self-regulation of spring | Nuannuan Yang, Kechang Xie, Yanfeng Shen, Xiurong Ren, Liping Chang +1 more | 2022-02-08 |