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Pat. 11303221 United States, Int. Cl.22 H02M 7/493, H02M 1/08, H02M 7/5395, H02J 3/32, H02J 3/38. DC-AC inverter drive system and operation : Appl. N 17/033060 : Filed 25.09.2020 : Pub. 12.04.2022 : / Vilakkudi G. Veeraraghavan, Ramarao Ananathakrishnan, Murali Thangaraj, Asif Ismail ; Assignee Kripya LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11303221/en?oq=US11303221.html (дата обращения: ДД.ММ.ГГГГ).