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Pat. 10985659 United States, Int. Cl.22 H02M 3/158, H02J 3/38, H02J 7/35. Flexible power conversion systems with wide DC voltage utilization : Appl. N 16/680520 : Filed 12.11.2019 : Pub. 20.04.2021 : / Rasvan Catalin Mihai, Helmine Serban ; Assignee Individual ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10985659/en?oq=US10985659.html (дата обращения: ДД.ММ.ГГГГ).