NA 134
VDI/DIN-Commission on Air Pollution Prevention (KRdL) - Standards Committee
Technical rule
[CURRENT]
VDI 6202 Blatt 20
VDI 6202 Blatt 20
Contaminated buildings and technical installations - Qualification of personnel
Title (German)
Schadstoffbelastete bauliche und technische Anlagen - Qualifizierung von Personal