Security & Protection
| Wed 05 Aug 2026
Beijing, Aug. 6 -- State Intellectual Property Office of China has awarded a patent to Hunan Provincial Communications Planning, Survey and Design Institute for Sluice Bulkhead Gate Locking Device. Li Chaojun, Ye Yasi, Zhou Qin, Peng Houde, Zhang Aiping, Chen Minghui, Wang Bo, Chen Hongyu, Chen Xurui and Guo Yiyi developed the i..