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| Tue 07 Apr 2026
Beijing, April 8 -- Chinese Patent for Device Capable of Replacing Signboard in Live-line Mode has been issued to Nujiang Power Supply Bureau of Yunnan Power Grid. This invention was developed by Wen Zhangye, Zhang Ronghan, Yu Shunjin, Luo Chaofeng, Lee Suk-san, Yang Houbing, He Zhanghai, Kong Biguang, Cha Runzhi and Xia Dongyan..