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Pat. 11417458 United States, Int. Cl.22 H01F 27/28, H01F 27/24, H01F 27/29, H01F 27/32, H01F 38/00, H02M 1/00, H02M 3/335. Magnetic component and switch power supply device : Appl. N 16/197385 : Filed 21.11.2018 : Pub. 16.08.2022 : / Zengyi Lu, Tianding Hong, Haijun Yang, Jinfa Zhang ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11417458/en?oq=US11417458.html (дата обращения: ДД.ММ.ГГГГ).