Aerospace
| Fri 04 Sep 2026
Beijing, Sept. 4 -- State Intellectual Property Office of China has awarded a patent to China North Unmanned Plane Research Institute for Testing Device for Aircraft Rotor System. Liu Yong, Ding Nian, Li Wenyu, Zhao Dongyang, Hu Xiongwen, Liu Peizhi, Li Xing, Sun Li, Cheng Jiayi, Wen Shaolun, Liu Yang, Qiu Linfeng, Chen Fei, Wan..