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Pat. 11018604 United States, Int. Cl.22 H02P 6/08, H02M 1/32, H02M 1/44, H02M 3/156, H02M 7/12, H02P 6/04. Conversion circuit board of brushless direct current (BLDC) motor and packaged terminal air conditioner (PTAC) comprising the same : Appl. N 16/503620 : Filed 04.07.2019 : Pub. 25.05.2021 : / Xiansheng Zhang, Yong Zhao, Meishuang Chen ; Assignee Zhongshan Broad Ocean Motor Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11018604/en?oq=US11018604.html (дата обращения: ДД.ММ.ГГГГ).