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Pat. 11095149 United States, Int. Cl.22 H02J 7/00, H02J 3/38, H02J 9/00, H02J 9/06, H02M 5/42, H02M 7/00. Uninterruptible power supply : Appl. N 16/073581 : Filed 04.07.2017 : Pub. 17.08.2021 : / Seiitsu Kin, Daisuke Kawasaki, Yoshihiko Yamagata, Hiroki Muratsu, Tomo Kurozaki, Yosuke Iwamaru, Keita Koshii ; Assignee Fuji Electric Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11095149/en?oq=US11095149.html (дата обращения: ДД.ММ.ГГГГ).