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Pat. 10566779 United States, Int. Cl.22 H02H 3/08, H01H 33/59, H02H 1/00, H02H 3/087, H02H 3/093, H02H 3/10, H02M 3/335. External DC overcurrent electronic trip unit for circuit breaker : Appl. N 15/606145 : Filed 26.05.2017 : Pub. 18.02.2020 : / Carl Lavertu, Maxime Berger ; Assignee Bombardier Transportation Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10566779/en?oq=US10566779.html (дата обращения: ДД.ММ.ГГГГ).