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Pat. 11133678 United States, Int. Cl.22 H02J 1/10, H02J 3/32, H02J 9/06, H02M 1/32, H02M 7/48, H05K 7/20. Power conversion device : Appl. N 16/981876 : Filed 19.03.2018 : Pub. 28.09.2021 : / Kazuki Nishimura, Toshihide Nakano ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11133678/en?oq=US11133678.html (дата обращения: ДД.ММ.ГГГГ).