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Pat. 10389252 United States, Int. Cl.22 H02M 3/335, H01F 27/24, H01F 27/28, H02M 1/08, H02M 3/158, H05K 1/09, H05K 1/16, H05K 1/18, H02M 1/00. Apparatus for converting DC power : Appl. N 15/821967 : Filed 24.11.2017 : Pub. 20.08.2019 : / Sanghyeon Kim, Taeyoung Park, Jeongeon Oh ; Assignee Lg Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10389252/en?oq=US10389252.html (дата обращения: ДД.ММ.ГГГГ).