Textile
| Tue 21 Apr 2026
Beijing, April 21 -- State Intellectual Property Office of China has received CRRC Zhuzhou Locomotive patent application for Labyrinth Locking Positioning Sliding Cover Type Button Box. Liu Jiaqi, Zhang Haoyu, Yuan Xinhui, Li Chao, Peng Ziquan, Yang Ming, Chen Yanyan, Wan Fan, Liu Guangting, Zhou Li, Huang Tairan, Kang Mingming ..