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Pat. 11539234 United States, Int. Cl.22 H02J 9/06, B25F 5/00, G06F 1/26, H02J 7/00, H02M 1/00, H02M 3/156, H02M 3/158. Power supply with high and low power operating modes : Appl. N 17/337888 : Filed 03.06.2021 : Pub. 27.12.2022 : / Zachary G. Stanke ; Assignee Milwaukee Electric Tool Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11539234/en?oq=US11539234.html (дата обращения: ДД.ММ.ГГГГ).