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Pat. 10658941 United States, Int. Cl.22 G06F 1/16, H02M 7/00, H02M 7/487, H05K 1/02, H05K 1/14, H05K 5/00, H05K 7/00, H05K 7/20. Compact design of multilevel power converter systems : Appl. N 15/955064 : Filed 17.04.2018 : Pub. 19.05.2020 : / Mark Dame, Jiangbiao He, Di Zhang ; Assignee General Electric Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10658941/en?oq=US10658941.html (дата обращения: ДД.ММ.ГГГГ).