Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222225 | Pre-stressed concrete track slab of slab-type ballast-less track | Jijun Wang, Cheng Jiang, Weibin Liu, Yong Zhao, Meng Wang +3 more | 2015-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222225 | Pre-stressed concrete track slab of slab-type ballast-less track | Jijun Wang, Cheng Jiang, Weibin Liu, Yong Zhao, Meng Wang +3 more | 2015-12-29 |