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Pat. 11258346 United States, Int. Cl.22 H02M 1/12, H02J 3/01, H02M 1/088, H02M 7/5387, H02M 1/00. Power conversion device and harmonic restraint device : Appl. N 16/328306 : Filed 28.10.2016 : Pub. 22.02.2022 : / Kenji Iwazaki, Koichi Arisawa ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11258346/en?oq=US11258346.html (дата обращения: ДД.ММ.ГГГГ).