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Pat. 11290001 United States, Int. Cl.22 H02M 1/34, H02J 9/06, H02M 3/335, H03K 17/16, H03K 17/567. Power supply device : Appl. N 17/052711 : Filed 05.03.2019 : Pub. 29.03.2022 : / Xiaochen Zhang, Toshihide Nakano ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11290001/en?oq=US11290001.html (дата обращения: ДД.ММ.ГГГГ).