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| Sun 02 Nov 2025
Beijing, Nov. 3 -- State Intellectual Property Office of China has awarded a patent to Guizhou Qiantong Engineering Tech Co Ltd for Advertising Board Detection Device. Zhou Lvye, Li Dianhao, Gao Xin, Liu Wanjun, Shen Zhaokun, Zhang Wei, Du Tiejun, Yang Yinhua, Zhou Jiali and Zhou Dan developed the invention.
The patent applic..