Dental hand instruments - reusable mirrors and handles 牙科用手持仪器.可重复使用的镜子及镜柄
2.
The laryngoscope lense is equipped with a 3v power supply . the switch controlled by a spring touch - point requires nothing about the assorted lens handle power supply 麻亮爽镜体自带3v电源,使用时采用弹簧触点控制开关,对所配套的镜柄电源没有任何要求。