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Pat. 9948177 United States, Int. Cl.22 H02M 1/088, H02M 1/42, H02M 3/07, H02M 3/28, H02M 7/219, H05B 44/00, H05B 37/02. Power conversion device : Appl. N 15/541633 : Filed 07.01.2015 : Pub. 17.04.2018 : / Eduardo-Jose Alarcon-Cot, Julia Delos Ayllon, Toni Lopez, Reinhold Elferich, Harald Josef Gunther Radermacher, Machiel Antonius Martinus Hendrix ; Assignee Philips Lighting Holding Bv ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9948177/en?oq=US9948177.html (дата обращения: ДД.ММ.ГГГГ).