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Pat. 10827570 United States, Int. Cl.22 H05B 6/64, H02M 7/5387, H05B 6/68, H05B 6/70. Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff : Appl. N 16/076371 : Filed 15.02.2016 : Pub. 03.11.2020 : / Davide Guatta ; Assignee Panasonic Corp, Whirlpool Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10827570/en?oq=US10827570.html (дата обращения: ДД.ММ.ГГГГ).