Aerospace
| Mon 25 May 2026
Beijing, May 25 -- Guizhou Power Grid has filed a patent application for Self-storage Backpack Type Aerial Work Safety Belt Device and Design Method. This invention was developed by Shi Xin, Cheng Xiangrui, Lu Xingfu, Wang Qiuchen, Qiu Zhi'ang, Huang-yang Yinyan, Liu Hai, Fang Di, Fan Sanjun, Fan Yong, Tang Chengzhang, Li Kunze,..