Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505219 | Combined device having device for connecting cross beam for receiving pivot pins and two lower longitudinal beams of coach body for rail vehicle | Jianying LIANG, Chongcheng Zhong, Jiajie He, Jian Du, Dawei RUAN +2 more | 2022-11-22 |