BS EN 60079-20-1. Explosive atmospheres. Part 20-1. Material characteristics. Gas and vapour classification, test methods and data
英国标准EN 60079-20-1 爆炸性环境 第20-1部分 材料特性 气体和蒸汽分类、试验方法和数据
Cross References:IEC 60050(426)IEC 60079-11:2006IEC 60079-14:2002All current amendments available at time of purchase are included with the purchase of this document.