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Pat. 10707768 United States, Int. Cl.22 H02M 1/00, H02M 5/40, H05K 5/02, H05K 7/14, H05K 7/20, H02M 5/458, H02M 7/00. Power module for medium and high-voltage frequency converter and frequency converter comprising same : Appl. N 14/889179 : Filed 12.10.2013 : Pub. 07.07.2020 : / Andreas Voegeli, Shen Luo ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10707768/en?oq=US10707768.html (дата обращения: ДД.ММ.ГГГГ).