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Pat. 11411523 United States, Int. Cl.22 H02M 7/06, H02M 1/14, H02P 27/06, H02P 29/024. Motor drive apparatus including smoothing capacitor unit and snubber capacitor : Appl. N 17/029499 : Filed 23.09.2020 : Pub. 09.08.2022 : / Ryou Matsuda, Taku Sasaki ; Assignee Fanuc Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11411523/en?oq=US11411523.html (дата обращения: ДД.ММ.ГГГГ).