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Pat. 10608572 United States, Int. Cl.22 H02P 21/00, H02M 1/38, H02M 7/5387, H02P 21/09, H02P 21/18, H02P 21/22, H02P 27/12, H02M 7/5395. Motor drive control device : Appl. N 16/147940 : Filed 01.10.2018 : Pub. 31.03.2020 : / Kazumasa Ue, Kazuya Matsuzaki, Ryogo Mochizuki ; Assignee Nidec America Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10608572/en?oq=US10608572.html (дата обращения: ДД.ММ.ГГГГ).