Education
| Thu 15 Oct 2026
Beijing, Oct. 15 -- Jilin City Water Supply Co Ltd has received a patent for Pipeline Operation Model Teaching Aid. This invention was developed by Ma Dayong, Zhang Yu, Zhang Jianqiang, Yang Yang, Cai Liang, Wang Yuan and Sun Aoyang.
The patent application number is CN202423245278U 20241227. The patent publication number is C..