Security & Protection
| Thu 30 Jul 2026
Beijing, July 31 -- Earthquake Administration of Gansu Province has submitted a patent application for Hanging System of Artificial Earthquake Air Source. This invention was developed by Liu Xuzhou, Zhang Xuan, Wang Yahong, Qin Manzhong, Ju Huichao, Li Minjuan, Zhong Meijiao, Zhang Yuansheng, Sun Dianfeng, Zou Rui, Song Ting, Gu..