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Pat. 10804835 United States, Int. Cl.22 H02M 7/493, F25B 49/02, H02P 27/06, H02P 29/024. Inverter device, air conditioner, and ground connection method of inverter device : Appl. N 16/099501 : Filed 27.04.2018 : Pub. 13.10.2020 : / Shinya Fukuda, Takashi Oishi, Toru Nakai ; Assignee Hitachi Johnson Controls Air Conditioning Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10804835/en?oq=US10804835.html (дата обращения: ДД.ММ.ГГГГ).