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Pat. 11011999 United States, Int. Cl.22 H02M 7/537, H02J 3/38, H02S 40/32. Power supply system and power supply method : Appl. N 16/881796 : Filed 22.05.2020 : Pub. 18.05.2021 : / Yongbing Gao, Yanfeng Li, Xun Wang ; Assignee Huawei Technologies Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11011999/en?oq=US11011999.html (дата обращения: ДД.ММ.ГГГГ).