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Pat. 10868477 United States, Int. Cl.22 H02M 7/5387, G01R 15/18, G01R 15/20, H02J 9/06, H02M 1/00. Power conversion apparatus and uninterruptible power supply comprising same : Appl. N 16/467874 : Filed 16.10.2017 : Pub. 15.12.2020 : / Youngjin Lee, Seunglim Choi, Buangho Park, Gilchoun Yeom, Taejong Lee, Woojoon Chung, Hyeoncheol Jeong ; Assignee Samsung Sdi Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10868477/en?oq=US10868477.html (дата обращения: ДД.ММ.ГГГГ).