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Pat. 11025055 United States, Int. Cl.22 H02J 1/10, H01L 31/02, H01L 31/05, H02J 3/38, H02S 40/32, H02M 3/04. Inverter with at least two direct converters : Appl. N 16/661318 : Filed 23.10.2019 : Pub. 01.06.2021 : / Stefan Buchhold, Jens Friebe, Michael Kotthaus, Torsten Soederberg, Thomas Wappler, Ephraim Moeser ; Assignee Sma Solar Technology Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11025055/en?oq=US11025055.html (дата обращения: ДД.ММ.ГГГГ).