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Pat. 10218276 United States, Int. Cl.22 H02M 3/335, H02M 3/28, H02M 1/00. Isolated multi-level resonant topologies for wide-range power conversion and impedance matching : Appl. N 15/199326 : Filed 30.06.2016 : Pub. 26.02.2019 : / Luke C. Raymond, Wei Liang, Juan M. Rivas Davila ; Assignee Leland Stanford Junior University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10218276/en?oq=US10218276.html (дата обращения: ДД.ММ.ГГГГ).