Agricultural
| Fri 05 Jun 2026
Beijing, June 5 -- Heilongjiang Agricutural Enginearing Vocational College has submitted a patent application for Swimming Pool Rescuing and Salvaging Device. Feng Yuan, Zhang Jiaxin, Yan Lei, Yang Lin, Wang Lichen, Zhang Xinming, Hong Xia, Wang Mingzhi, Wang Xiangyu, Zhou Huilian and Chen Pengyi developed the invention.
The pa..