Furniture
| Fri 14 Mar 2025
Beijing, March 14 -- State Intellectual Property Office of China has awarded a patent to Institute of Science and Tech of Daqin Railway and Cetc Pengyue Electronic Tech for valve test bed pressure calibration device. Sun Tao, Zhang Jiansheng, Li Mingwang, Miao Haihuan, Yin Jiemin, Li Xianting, Wu Wenjun, Sun Zheng, Liu Wei, Wang..