3M OHP1750 Overhead Projector, 4500 ANSI流明, 310 mm, 28.5 cm, 45 dB, 4.6 m, EVD (36V)
3M OHP1750 Overhead Projector. 投影仪亮度: 4500 ANSI流明. 焦距: 310 mm, 最大拍摄区域: 28.5 cm. 信号-噪声比(信噪比): 45 dB. 电缆长度: 4.6 m. 灯泡类型: EVD (36V), 灯泡功率: 400 W