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Pat. 11121578 United States, Int. Cl.22 H02J 9/00, H02M 3/337, G03G 11/00, G03G 13/01, G03G 13/02. Image forming apparatus in which wiring pattern for withstand voltage test is laid out : Appl. N 16/721714 : Filed 19.12.2019 : Pub. 14.09.2021 : / Hironobu Teramoto ; Assignee Canon Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11121578/en?oq=US11121578.html (дата обращения: ДД.ММ.ГГГГ).