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Pat. 11201564 United States, Int. Cl.22 H02M 7/483, H02M 1/36, H02M 7/487, H02M 7/5387. Multi-level inverter including at least four switches and at least four resistors : Appl. N 17/068127 : Filed 12.10.2020 : Pub. 14.12.2021 : / Yiming Jiang, Jincheng Shao ; Assignee Huawei Technologies Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11201564/en?oq=US11201564.html (дата обращения: ДД.ММ.ГГГГ).