Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777351 | Method for heat treatment of hypereutectoid steel rail | Zhenyu Han, Jihai Jia, Hua Guo, Yong Deng, Chunjian Wang +2 more | 2017-10-03 |
| 9765414 | Heat treatment method of turnout track and the turnout track | Zhenyu Han, Dongsheng Mei, Yong Deng, Hua Guo, Quan Xu +1 more | 2017-09-19 |