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Pat. 11374501 United States, Int. Cl.22 H02M 5/458, H02M 1/42, H02M 5/293, H02M 5/452, H02M 1/00, H02M 5/27. Phase balancer including power conversion circuits : Appl. N 17/214408 : Filed 26.03.2021 : Pub. 28.06.2022 : / Christopher Paul Henze ; Assignee Product Development Associates Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11374501/en?oq=US11374501.html (дата обращения: ДД.ММ.ГГГГ).