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Pat. 10270368 United States, Int. Cl.22 H02J 3/32, H02J 3/38, H02J 7/34, H02M 1/12, H02M 3/07, H02M 7/70, H02M 7/797, H02J 3/36, H02J 9/06. Bi-directional, transformerless voltage system : Appl. N 15/368384 : Filed 02.12.2016 : Pub. 23.04.2019 : / Stephen E. Sampayan ; Assignee Lawrence Livermore National Security LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10270368/en?oq=US10270368.html (дата обращения: ДД.ММ.ГГГГ).