Respiratory protective devices. Specification for powered fresh air hose breathing apparatus incorporating a hood
呼吸保护装置 带罩的动力新鲜空气软管呼吸器规范
发布日期:
1995-01-15
规定了这类器械的两类,其分类基于机械强度,而不是所提供的呼吸保护程度。交叉引用:BS 5969BS 7156:第1BS 7156部分:第2BS 7156部分:第3BS 7355BS EN 132BS EN 134BS EN 146BS EN 28031ISO 6941
Specifies two classes of such apparatus, the classification being based on mechanical strength rather than the degree of respiratory protection provided.Cross References:BS 5969BS 7156:Part 1BS 7156:Part 2BS 7156:Part 3BS 7355BS EN 132BS EN 134BS EN 146BS EN 28031ISO 6941