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| Fri 10 Apr 2026
Beijing, April 10 -- State Intellectual Property Office of China has awarded a patent to Yuxi Power Supply Bureau of Yunnan Power Grid for Signboard Classification Device Based on Image Recognition. Ren Danni, Zhu Yuxin, Qiao Lianliu, Hou Yehao, Yang Lu, Zhu Hui, Sun Xueyan, Zhang Jian, Zhang Xuexing, He Zijian, Chen Binlong, Wa..