基本信息
标准编号: UL 1989 Ed. 5 (2013)
发布时间:2013/10/2 0:00:00
标准类别:Standard
出版单位:Underwriters Laboratories
标准页数:28
标准简介
Specifies instrument batteries, enclosed batteries, emergency lighting and power batteries and uninterruptible power supply batteries of the valve regulated or vented type.