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Pat. 10601308 United States, Int. Cl.22 H02M 1/42, H02M 1/08, H02M 3/335, H02M 7/25, H02M 1/00, H02M 3/28. Power factor improving converter, and power supply device including power factor improving converter : Appl. N 15/329364 : Filed 29.08.2014 : Pub. 24.03.2020 : / Hiroyuki Haga ; Assignee Shindengen Electric Manufacturing Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10601308/en?oq=US10601308.html (дата обращения: ДД.ММ.ГГГГ).