Enviornmental
| Tue 12 May 2026
Beijing, May 13 -- Hebei University of Engineering has filed a patent application for Riverbed Sludge Treatment Device. This invention was developed by Li Yancang, Wang Xiangli, Chen Moyu, Wu Pingchuan, Zhang Gaoqing, Guo Qinglin, Li Dongping, Jin Zidong, Qiao Weitao, Ning Yu, Wen Zichen and Shi Binli.
The patent application ..