Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11585218 | Drilling device for surveying front rock-mass intactness of tunnel face for tunnel constructed by TBM and method using the same | Yujie WANG, Ruilang Cao, Yufei Zhao, Lipeng Liu, Qiang Shen +3 more | 2023-02-21 |