Construction
| Tue 06 Oct 2026
Beijing, Oct. 6 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Guangchuan Engineering Consulting and Qingyuan Water Conservancy Bureau for Anti-seepage Grouting Filling Device for Dam Foundation. Jiang Shuhai, Wu Muhong, Jiang Xiaoyi, Wu Chuanzhen, Ye Jun, Liu Linsong, Wu Mingling, Tan Lei, Xu Hu..