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Pat. 11323038 United States, Int. Cl.22 H02M 3/335, B60L 53/60, B60L 55/00, H02M 1/42, H02M 1/00. Single phase single stage bi-directional level 1 electric vehicle battery charger : Appl. N 16/638620 : Filed 02.08.2018 : Pub. 03.05.2022 : / Kaushik Rajashekara, Parthasarathy Nayak, Sumit Kumar Pramanick ; Assignee University of Houston System ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11323038/en?oq=US11323038.html (дата обращения: ДД.ММ.ГГГГ).