Electrical
| Wed 14 Apr 2021
Beijing, April 14 -- Kunming Power Supply Bureau Yunnan Power Grid has sought patent for universal sleeve for transformer substation maintenance. This invention was developed by Wang Yueming, Li Yuan, Zhang Chuan, Ding Keyu, Liu Jianhong, Liu Cheng, Jin Peng, Li Jianping, Zhong Zekun, Zhang Zhixun, Zhang Hong'An and Hu Changbin...