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Pat. 10304608 United States, Int. Cl.22 H01F 19/04, G01D 5/20, H01F 27/24, H01F 27/28, H03K 3/017, H03K 17/95, H01F 21/08, H02M 7/48, H02M 7/5387. Field regulator : Appl. N 15/303718 : Filed 16.04.2015 : Pub. 28.05.2019 : / Peter John Sweeney, Martin Christopher Wildt ; Assignee Mine Site Technologies Pty Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10304608/en?oq=US10304608.html (дата обращения: ДД.ММ.ГГГГ).