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Pat. 10284115 United States, Int. Cl.22 H02J 3/00, H02J 3/32, H02J 3/38, H02J 3/46, H02J 7/35, H02M 7/49, H02M 7/68, H02M 7/797, H02M 7/81, H02S 40/32. Inverter system : Appl. N 15/119406 : Filed 25.02.2015 : Pub. 07.05.2019 : / Arkadiusz Kulka, Kjetil Boysen ; Assignee Eltek As ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10284115/en?oq=US10284115.html (дата обращения: ДД.ММ.ГГГГ).