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Pat. 10217559 United States, Int. Cl.22 H02M 1/42, H01F 27/28, H02M 1/084, H02M 7/23. Multiphase coupled and integrated inductors with printed circuit board (PBC) windings for power factor correction (PFC) converters : Appl. N 15/484641 : Filed 11.04.2017 : Pub. 26.02.2019 : / Yuchen Yang, Mingkai Mu, Fred C. Lee, Qiang Li ; Assignee Virginia Tech Intellectual Properties Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10217559/en?oq=US10217559.html (дата обращения: ДД.ММ.ГГГГ).