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Pat. 11031900 United States, Int. Cl.22 H02P 29/024, F25B 1/00, H02M 1/00, H02M 1/32, H02M 1/44, H02M 7/00, H02M 7/48, H02M 7/5387, H02P 25/16, H02P 27/08. Motor drive apparatus, refrigeration cycle apparatus and air conditioner : Appl. N 16/074252 : Filed 27.04.2016 : Pub. 08.06.2021 : / Norikazu Ito, Shigeo Umehara, Katsuhiko Saito, Katsuyuki Amano, Masahiro Fukuda ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11031900/en?oq=US11031900.html (дата обращения: ДД.ММ.ГГГГ).