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Pat. 10277143 United States, Int. Cl.22 H02M 5/40, B66C 13/26, H02M 7/48, H02P 6/08, H02P 23/08, H02P 25/062, H02P 27/04, H02P 27/06. Inverter supplying power to induction motor for driving hoist : Appl. N 15/958201 : Filed 20.04.2018 : Pub. 30.04.2019 : / Eun-Woo Lee, Jung-Han Kim ; Assignee Lsis Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10277143/en?oq=US10277143.html (дата обращения: ДД.ММ.ГГГГ).