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Pat. 11489341 United States, Int. Cl.22 H02J 3/02, H02J 3/34, H02J 3/38, H02M 1/36, H02M 7/48. Power conversion system : Appl. N 17/416875 : Filed 22.07.2019 : Pub. 01.11.2022 : / Issei Fukasawa ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11489341/en?oq=US11489341.html (дата обращения: ДД.ММ.ГГГГ).