Standards
[CURRENT]
NF S66-501-1
; NF EN 14591-1:2004-11-01
NF S66-501-1
; NF EN 14591-1:2004-11-01
Explosion prevention and protection in underground mines - Protective systems - Part 1: 2-bar explosion-proof ventilation structure
Title (German)
Explosionsschutz in untertägigen Bergwerken - Schutzsysteme - Teil 1: 2-bar-Wetterbauwerk