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| Wed 17 Dec 2025
Beijing, Dec. 18 -- State Intellectual Property Office of China has awarded a patent to Wang Yunfei for Concrete Sampling Device. Wang Yunfei, Zhang Minyu, Yang Geli, Hua Jian, Liu Youfu, Tian Zhong, Mao Panxin, Tang Dezhi, Luo Xu, Liu Jun, Liu Tao, Liang Shengru, Zhou Zhehui, Wang Ranfeng and Peng Kanliang developed the inventi..