Engineering
| Wed 08 Jul 2026
Beijing, July 9 -- State Intellectual Property Office of China has received Mianyang City University patent application for Portable Banner Automatic Storage Device. Zhu Haiyan, Liu Jiaxin, Hu Xia, Li Gen, Li Ke, Yi Yong, Liu Zhirui, Gan Ying, Chen Jie, Zhou Ting, He Huan, Roh Nam Hee, Lin Yuanyang, Long Yanting, Li Jing, Zhang ..