Construction
| Fri 26 Apr 2024
Beijing, April 27 -- Henan Jindai Dingfeng Construction Eng has been granted a patent for dustproof device of stirrer. Zhou Chengjun, Li Su, Li Xianju, Shen Zhiwei, Wang Chaohui, Pan Mingyang, Wang Ke, Shi Zhan, Yang Chao, Guo Sheng, Zhou Yang, Wang Jingxun, Du Chongyang, Liu Wenqi and Zhang Xiangbo developed the invention.
T..