Education
| Thu 05 Nov 2026
Beijing, Nov. 5 -- Yunnan Inst Of Water Resources and Hydropower Research has obtained a patent for plant drawing test device. This invention was developed by He Hui, Zhang Xian, Li Zhonghua, Ding Jianhong, Li Haiyan, Liu Li, Li Hexiang, Xue Yang, Yang Yanan, Yang Heng and Zhang Yunfeng.
The patent application number is CN202..