Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098585 | Hydraulic end die of tunnel secondary lining trolley and construction method therefor | Jianlin Mu, Luwei Feng, Bochuan Zeng, Jian Hu, Lianfang Li +5 more | 2021-08-24 |
| 10892616 | Safe processing method for active voltage reduction of ground fault phase of non-effective ground system | — | 2021-01-12 |