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Pat. 10432131 United States, Int. Cl.22 H02M 1/08, H02M 1/088, H02M 1/32, H02M 7/5387, H02P 27/08, H02P 29/024, H03K 17/12, H03K 17/16. Motor drive apparatus and air conditioner : Appl. N 16/073910 : Filed 27.04.2016 : Pub. 01.10.2019 : / Norikazu Ito, Katsuhiko Saito, Shigeo Umehara, Katsuyuki Amano, Masahiro Fukuda ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10432131/en?oq=US10432131.html (дата обращения: ДД.ММ.ГГГГ).