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| Mon 12 May 2025
Beijing, May 13 -- State Intellectual Property Office of China has awarded a patent to Three Gorges Jinsha River Yunchuan Hydropower Development for rotary collecting mechanism and folding signboard. Niu Qihong, Xiong Tengqing, Shu Jin, Zhang Xin, Pan Rui, Nong Qijie, Mu Pan and Wang Xuening developed the invention.
The paten..