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Pat. 11005388 United States, Int. Cl.22 H02M 7/487, H02M 1/14, H02M 1/44, H02M 7/5387. Single-phase multi-level asymmetric inverter with AC-bypass and asymmetric modulation strategy : Appl. N 16/289022 : Filed 28.02.2019 : Pub. 11.05.2021 : / Alberto Berzoy Llerena, Andres Salazar-Llinas, Carlos Restrepo ; Assignee Sonnen Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11005388/en?oq=US11005388.html (дата обращения: ДД.ММ.ГГГГ).