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Pat. 11476757 United States, Int. Cl.22 H02M 3/158, H02M 1/088, H02M 3/157, H02M 1/00. Power conversion apparatus with chopper circuits and output control : Appl. N 16/982767 : Filed 25.04.2018 : Pub. 18.10.2022 : / Yuya Tanaka, Mai Nakada, Shingo Kato, Matahiko Ikeda ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11476757/en?oq=US11476757.html (дата обращения: ДД.ММ.ГГГГ).