NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
IEC 60079-33
IEC 60079-33
Explosive atmospheres - Part 33: Equipment protection by special protection "s"
Title (German)
Explosionsgefährdete Bereiche - Teil 33: Geräteschutz durch Sonderschutz