Chemicals
| Thu 20 Aug 2026
Beijing, Aug. 20 -- State Intellectual Property Office of China has awarded a patent to Shanghai Urban Drainage Monitoring Station Co Ltd for Automatic Sample Loading and Detecting System for COD (chemical Oxygen Demand). Su Xiaofeng, Gu Zhuqin, Yao Qi, Zhang Deru, Cai Yingying, Yang Jiajia, Lu Yeting, Cen Chen, Jiang Wenjie, Ji..