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Pat. 10865777 United States, Int. Cl.22 F03D 9/25, H02M 5/42, H02M 5/458, H02J 3/38. Wind turbine power generation system : Appl. N 15/571322 : Filed 03.05.2016 : Pub. 15.12.2020 : / Philip Carne Kjaer ; Assignee Vestas Wind Systems As ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10865777/en?oq=US10865777.html (дата обращения: ДД.ММ.ГГГГ).