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Pat. 10796846 United States, Int. Cl.22 H01F 27/28, G05B 9/02, H01F 27/34, H01F 27/42, H02H 5/12, H02M 7/5387. Long range coil and power source for a magnetic field generator : Appl. N 15/987478 : Filed 23.05.2018 : Pub. 06.10.2020 : / Tim E Black ; Assignee Matrix Design Group LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10796846/en?oq=US10796846.html (дата обращения: ДД.ММ.ГГГГ).