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Pat. 11316465 United States, Int. Cl.22 H02P 27/06, A45D 20/12, A47L 9/28, H02M 7/00, H02P 21/22. Motor drive device, electric blower, electric vacuum cleaner, and hand dryer : Appl. N 16/970010 : Filed 23.03.2018 : Pub. 26.04.2022 : / Yuji Takayama, Kazunori Hatakeyama, Haruka Matsuo ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11316465/en?oq=US11316465.html (дата обращения: ДД.ММ.ГГГГ).