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Pat. 11223289 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/00. Regulated switched mode power supplies having adjustable output voltages : Appl. N 16/745700 : Filed 17.01.2020 : Pub. 11.01.2022 : / Lian Liang, Bing Zhang, Mei Qin, Wenyong Liu, Zhishuo Li ; Assignee Astec International Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11223289/en?oq=US11223289.html (дата обращения: ДД.ММ.ГГГГ).