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Pat. 11289999 United States, Int. Cl.22 H02M 1/32, H02M 1/00, H02M 7/487, H02M 7/5395. Power conversion device and power conversion system : Appl. N 16/970416 : Filed 21.01.2019 : Pub. 29.03.2022 : / Yoshihiro Tawada, Tsuguhiro Tanaka, Masahiro Kinoshita ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11289999/en?oq=US11289999.html (дата обращения: ДД.ММ.ГГГГ).