
Respiratory Equipment - Compressed Gases For Breathing Apparatus
出版:Standardiserings-Kommissionen I Sverige

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.
I.S. EN 12021:2014 - Identical
NEN EN 12021:2014 - Identical
ONORM EN 12021:2014 - Identical
DIN EN 12021 (1999-01) - Identical
BS EN 12021:1999 - Identical
SN EN 12021:1999 - Identical
UNE EN 12021:1999 - Identical
NS EN 12021 Ed. 1 (1999) - Identical
UNI EN 12021:2000 - Identical
NBN EN 12021:1999 - Identical
NF EN 12021:1999 - Identical
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