Textile
| Sat 29 Aug 2026
Beijing, Aug. 29 -- Unit 91515 of PLA has obtained a patent for screwdriver with protective sleeve structure. This invention was developed by Zhao Fukun, Hu Xudong, Huang Feng, Liu Weisi, Yang Jinqiang, Xu Shanliang, Liu Cheng, Zeng Ling, Liu Yi, Yan Ye, Zhou Tianzhu, Sun Haoyu, Shikaze and Ji Haitao.
The patent application num..