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Pat. 10651651 United States, Int. Cl.22 H02J 3/00, H02J 3/01, H02M 1/12, H02M 7/12, H02M 7/48, H02M 7/493. Device with built-in active filter : Appl. N 16/342020 : Filed 08.12.2017 : Pub. 12.05.2020 : / Masaki Kono, Reiji Kawashima, Takayuki Fujita ; Assignee Daikin Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10651651/en?oq=US10651651.html (дата обращения: ДД.ММ.ГГГГ).