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Pat. 10903758 United States, Int. Cl.22 H02M 3/07, H02M 7/483, H02M 7/487, H02M 7/515, H02M 7/5387, H02M 7/49. Hybrid multilevel inverters with reduced voltage stress : Appl. N 16/566242 : Filed 10.09.2019 : Pub. 26.01.2021 : / Dianbo Fu, Zhaohui Wang, Lei Shi ; Assignee Futurewei Technologies Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10903758/en?oq=US10903758.html (дата обращения: ДД.ММ.ГГГГ).