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Pat. 10226832 United States, Int. Cl.22 H02J 1/10, B23K 9/09, B23K 9/10, H02M 1/08, H02M 3/28, H02M 3/335. Metal working power supply converter system and method : Appl. N 15/412620 : Filed 23.01.2017 : Pub. 12.03.2019 : / Alan A. Manthe, Jason Alan Dunahoo, Craig Steven Knoener, Mary Divya Poulose ; Assignee Illinois Tool Works Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10226832/en?oq=US10226832.html (дата обращения: ДД.ММ.ГГГГ).