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Pat. 10643783 United States, Int. Cl.22 H01F 17/04, H01F 5/02, H01F 27/28, H01F 27/38, H01F 38/08, H02M 3/335. Transformer and DC-DC converter : Appl. N 15/842903 : Filed 15.12.2017 : Pub. 05.05.2020 : / Yoshihiko Yamaguchi, Makoto Ohashi, Masayuki Suetomi, Tatsumi Yamamoto ; Assignee Advanced Power Technology Corp, Omron Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10643783/en?oq=US10643783.html (дата обращения: ДД.ММ.ГГГГ).