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Pat. 11095208 United States, Int. Cl.22 H02M 1/42, H02M 7/217, H02M 7/219. Control method, apparatus, device, and medium for power factor correction PFC circuit : Appl. N 16/488535 : Filed 28.02.2019 : Pub. 17.08.2021 : / Bo Xiang, Jian Li, Ruiguo Yang, Huaxing Fu ; Assignee Vertiv Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11095208/en?oq=US11095208.html (дата обращения: ДД.ММ.ГГГГ).