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Pat. 10470259 United States, Int. Cl.22 H05B 7/148, F27B 3/08, H02M 1/12, H02M 5/293, H02M 5/297, H02P 27/16, H05B 7/144, F27D 99/00, H02J 3/01, H02M 7/483. Power supply for a non-linear load with multilevel matrix converters : Appl. N 15/312711 : Filed 22.04.2015 : Pub. 05.11.2019 : / Arno Doebbeler, Wolfgang Hoerger, Hans-Joachim Knaak, Martin Pieschel, Jonas Pinkwart ; Assignee Siemens Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10470259/en?oq=US10470259.html (дата обращения: ДД.ММ.ГГГГ).