Lighting
| Wed 21 Oct 2026
Beijing, Oct. 21 -- Lanzhou Jiaotong University has obtained a patent for railway signal lamp convenient to maintain. This invention was developed by Li Xu, Xu Miaomiao, Wang Lu, Yan Junhui, Pan Ruichang, Leng Borui, Zhang Wenhao and Jiang Xin.
The patent application number is CN202520444060U 20250313. The patent publication ..