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Pat. 11108338 United States, Int. Cl.22 H02M 7/483, H02M 1/32, H02M 1/00. Dual submodule for a modular multilevel converter and modular multilevel converter including the same : Appl. N 16/078864 : Filed 24.02.2017 : Pub. 31.08.2021 : / Martin Geske, Joerg Janning ; Assignee Ge Energy Power Conversion Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11108338/en?oq=US11108338.html (дата обращения: ДД.ММ.ГГГГ).