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Pat. 10044289 United States, Int. Cl.22 H02M 7/06, H01L 33/00, H05B 44/00, H05B 37/02, H02M 1/00. LED drive circuit including a plurality of LEDs connected in series : Appl. N 15/564669 : Filed 08.04.2016 : Pub. 07.08.2018 : / Takashi Akiyama ; Assignee Citizen Electronics Co Ltd, Citizen Watch Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10044289/en?oq=US10044289.html (дата обращения: ДД.ММ.ГГГГ).
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