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Pat. 10141779 United States, Int. Cl.22 H02J 7/00, H02J 9/00, H02J 9/06, H02M 7/02, H02M 7/42. Uninterruptible electric power system : Appl. N 14/969714 : Filed 15.12.2015 : Pub. 27.11.2018 : / Hung-Chou Chan, Chao-Ke Wei, Ching-Tang Liu, Yao-Ching Yin ; Assignee Cloud Network Technology Singapore Pte Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10141779/en?oq=US10141779.html (дата обращения: ДД.ММ.ГГГГ).