UL SUBJECT 515A-2014 标准详情
- 标准号:UL SUBJECT 515A-2014
- 中文标题:调查大纲电阻丝加热和相关控制用于喷水和水管系统第1期
- 英文标题:Outline of Investigation for Electrical Resistance Trace Heating and Associated Controls for Use In Sprinkler and Standpipe Systems Issue 1
- 标准类别:美国保险商实验室UL
- 发布日期:2014-05-30