Прямоугольное канальное оборудование

40-20/18.2D 50-25 50-25/20.2D 50-25/22.2D 50-30 50-30/22.2D 50-30/25.2D 60-30 60-30/25.2D 60-30/28.2D 60-35 60-35/28.2D 60-35/31.2D 70-40 70-40/31.2D 70-40/31.2DM 70-40/35.2D 80-50 80-50/35.2D 80-50/40.4D 90-50/35.2D 90-50/40.2D 90-50/40.4D