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Pat. 10461576 United States, Int. Cl.22 H02J 9/06, H02M 1/00, H02M 3/158, H02M 5/458, H02M 7/217, H02M 7/537, H02M 7/5395. Uninterruptible power supply apparatus : Appl. N 15/517188 : Filed 08.12.2014 : Pub. 29.10.2019 : / Masaru Toyoda, Masahiro Kinoshita ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10461576/en?oq=US10461576.html (дата обращения: ДД.ММ.ГГГГ).