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Pat. 11239767 United States, Int. Cl.22 H02M 7/493, H02J 3/38, H02M 1/00, H02M 7/5387. Inverter system, method for controlling inverter system, and parallel inverter system : Appl. N 17/484403 : Filed 24.09.2021 : Pub. 01.02.2022 : / Lei Wang, Xi Chen, Hongyu Qian ; Assignee Ecoflow Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11239767/en?oq=US11239767.html (дата обращения: ДД.ММ.ГГГГ).