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Pat. 10875555 United States, Int. Cl.22 B61L 7/08, B61L 3/12, B61L 5/10, B61L 11/08, H02M 1/00, H02M 7/44, H02M 7/48. Energy supply device for a switch machine and method for supplying energy to and controlling a switch machine : Appl. N 15/758941 : Filed 01.09.2016 : Pub. 29.12.2020 : / Frank Bienek, Philip Fosu Okyere ; Assignee Siemens Mobility Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10875555/en?oq=US10875555.html (дата обращения: ДД.ММ.ГГГГ).