NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
IEC 60079-1
IEC 60079-1
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
Title (German)
Explosionsfähige Atmosphäre - Teil 1: Geräteschutz durch druckfeste Kapselung "d"