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Pat. 11128138 United States, Int. Cl.22 H02J 3/32, B60L 7/10, B60L 9/04, B60M 3/06, H02J 7/04, H02M 7/06. DC traction sub-station for supplying at least one vehicle : Appl. N 16/746827 : Filed 18.01.2020 : Pub. 21.09.2021 : / Carsten Soeffker, Raphael Hofstaedter ; Assignee Alstom Transport Technologies Sas ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11128138/en?oq=US11128138.html (дата обращения: ДД.ММ.ГГГГ).