Optics & Imaging
| Mon 03 Aug 2026
Beijing, Aug. 3 -- State Intellectual Property Office of China has published Baoji Heli Forklift patent application for Drum Brake Dustproof Ring Laser Welding Device. The invention was developed by Wang Wenzhi, Zhang Jian, Wang Yan, Liu Jiaxuan, Bai Yani, Xu Pengge, Xu Haiyang, Zhang Rui, Zhang Xiaogang, Wang Fan, Zhao Huiliang..