Optics & Imaging
| Sat 14 Mar 2026
Beijing, March 14 -- Beijing MTR Corporation Ltd has applied Chinese patent for Comb Plate and Step Gap Detection Method and Device Based on Line Laser Technology. Zhang Jianzhao, Du Jiangbo, Wang Yuqing, Qi Jiaming, Zhang Weihai, Li Bin, Zheng Shengli, Zhao Yue, Zhao Cong, Li Tiemin, Liu Runze, Li Zhifeng, Zhang Yongchun, Zhang..