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Pat. 10547179 United States, Int. Cl.22 H02J 3/46, H02J 3/00, H02J 3/32, H02J 3/38, H02J 7/00, H02K 7/02, H02M 7/5387, H02P 9/48. High efficiency electric power generation and charging system : Appl. N 15/943409 : Filed 02.04.2018 : Pub. 28.01.2020 : / Calvin Cuong Cao ; Assignee Calvin Cuong Cao ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10547179/en?oq=US10547179.html (дата обращения: ДД.ММ.ГГГГ).