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Pat. 11031859 United States, Int. Cl.22 H02M 1/088, H02J 1/00, H02M 1/00, H02M 1/08, H02M 1/44, H02M 3/156, H02M 7/48, H02P 27/06, H02P 27/08. Device for stabilizing direct current (DC) distribution system : Appl. N 16/737994 : Filed 09.01.2020 : Pub. 08.06.2021 : / Mun Seok Seo, Seongju Kim, Joonsik An ; Assignee Lg Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11031859/en?oq=US11031859.html (дата обращения: ДД.ММ.ГГГГ).