DL

Dadong Li

Overall (2019): #180,268 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10214799 Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method Zhenyu Han, Ming Zou, Jihai Jia, Hua Guo, Yong Deng +3 more 2019-02-26
10196781 Hypereutectoid steel rail and preparation method thereof Zhenyu Han, Ming Zou, Hua Guo, Yuan Wang, Yong Deng +1 more 2019-02-05