Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753937 | Ultra-long tunnel sewage disposal, separation and drainage structure suitable for cold regions | Yong Cheng, Kang Gao, Yilin Jian, Cong Zheng, Xiang Gao +2 more | 2023-09-12 |