Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300638 | Laboratory test device for permeation grouting of impermeable material | Hongfen Zhao, Jiping Chen, Qi Peng, Gangqiang Wang, Bingqiu Li +1 more | 2022-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300638 | Laboratory test device for permeation grouting of impermeable material | Hongfen Zhao, Jiping Chen, Qi Peng, Gangqiang Wang, Bingqiu Li +1 more | 2022-04-12 |