Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777881 | Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines | Fuming Wang, Bei Zhang, Hongliang Chen, Xiaolong Li | 2017-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777881 | Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines | Fuming Wang, Bei Zhang, Hongliang Chen, Xiaolong Li | 2017-10-03 |