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Pat. 10624229 United States, Int. Cl.22 H02J 1/00, H02M 1/42, H02M 7/06, H05K 7/06, H05K 7/14. High voltage direct current power generator for computer server data centers : Appl. N 16/149741 : Filed 02.10.2018 : Pub. 14.04.2020 : / Pierluigi Sarti ; Assignee Facebook Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10624229/en?oq=US10624229.html (дата обращения: ДД.ММ.ГГГГ).