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Pat. 11323043 United States, Int. Cl.22 H02M 7/10, H02M 1/00, H02M 7/44, H02M 7/49, H02M 7/5387, H02M 1/32. Hybrid multi-level inverter system for switched series/parallel sources : Appl. N 17/476841 : Filed 16.09.2021 : Pub. 03.05.2022 : / Hussain Mohammad Bassi, Zainal Salam ; Assignee King Abdulaziz University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11323043/en?oq=US11323043.html (дата обращения: ДД.ММ.ГГГГ).