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Pat. 10654682 United States, Int. Cl.22 B66B 1/30, H02M 1/12, H02M 5/458, H02M 7/487, H02M 7/49, H02P 25/22, H02M 1/00, H02P 4/00, H02P 27/14. Conveyance system having paralleled drives : Appl. N 15/537037 : Filed 09.12.2015 : Pub. 19.05.2020 : / Ismail Agirman, Jeffrey M. Izard, Hanjong Kim ; Assignee Otis Elevator Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10654682/en?oq=US10654682.html (дата обращения: ДД.ММ.ГГГГ).