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Pat. 10003186 United States, Int. Cl.22 H02P 7/00, B60R 16/03, B64D 41/00, H02H 7/06, H02H 7/122, H02M 5/458, H02P 9/00, H02P 9/14, H02P 9/30. Variable-speed constant-frequency power control : Appl. N 15/182782 : Filed 15.06.2016 : Pub. 19.06.2018 : / Carl A. Wagner, Mustansir Kheraluwala ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10003186/en?oq=US10003186.html (дата обращения: ДД.ММ.ГГГГ).