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Pat. 10869374 United States, Int. Cl.22 H05B 44/00, H02M 7/06. Power supply device, lighting equipment, and method for manufacturing power supply device : Appl. N 16/462777 : Filed 17.11.2017 : Pub. 15.12.2020 : / Takashi Maeda, Shinsuke Funayama, Teiji Ohtsu ; Assignee Mitsubishi Electric Corp, Mitsubishi Electric Lighting Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10869374/en?oq=US10869374.html (дата обращения: ДД.ММ.ГГГГ).