Plastics
| Mon 22 Dec 2025
Beijing, Dec. 22 -- Lanzhou Institute of Physics, Chinese Academy of Space Technology has submitted a patent application for Vacuum Welding Device and Method for Thin-wall Pressure Vessel Shell. This invention was developed by Wang Tian, Ma Tianju, Xu Jianxiang, Dong Xiangyu, Zhang Tao, Zhang Lijun, Cao Peng, Gu Sendong, Yu Bin,..