Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098585 | Hydraulic end die of tunnel secondary lining trolley and construction method therefor | Jianlin Mu, Bochuan Zeng, Jian Hu, Lianfang Li, Deli Feng +5 more | 2021-08-24 |