
Respiratory Equipment - Compressed Gases For Breathing Apparatus
出版:Italian Standards

专家解读视频
Defines requirements for the quality of compressed gas supplied for mixing or use in respiratory protective devices and hyper- and hypobaric operations.
SN EN 12021:2014 - Identical
UNE EN 12021:2014 - Identical
NF EN 12021:2014 - Identical
NS EN 12021:2014 - Identical
NBN EN 12021:2014 - Identical