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Pat. 10468972 United States, Int. Cl.22 H02M 1/32, H02M 7/12, H02M 7/48, H02M 1/00. Power converter including a plurality of converter cells connected in multiple series : Appl. N 16/094390 : Filed 11.04.2017 : Pub. 05.11.2019 : / Yuki Ishii ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10468972/en?oq=US10468972.html (дата обращения: ДД.ММ.ГГГГ).