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Pat. 11470885 United States, Int. Cl.22 A24F 40/50, A24F 40/40, A24F 40/51, H02J 7/00, H02M 1/088, H02M 1/32, H02M 3/158, H03K 17/687, A24F 40/90. Power supply drive module, power supply device and electronic cigarette : Appl. N 16/628660 : Filed 13.12.2017 : Pub. 18.10.2022 : / Weihua Qiu ; Assignee Changzhou Paiteng Electronic Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11470885/en?oq=US11470885.html (дата обращения: ДД.ММ.ГГГГ).