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Pat. 10720849 United States, Int. Cl.22 H02M 3/337, H02J 7/02, H02J 50/12, H02J 50/80, H02M 1/00, H02M 7/48. High efficiency high frequency resonant power conversion : Appl. N 15/657500 : Filed 24.07.2017 : Pub. 21.07.2020 : / Hengchun Mao ; Assignee Quanten Technologies Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10720849/en?oq=US10720849.html (дата обращения: ДД.ММ.ГГГГ).