NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 3805 Blatt 16
VDI 3805 Blatt 16
Product data exchange in the building services - Fire dampers/smoke extraction dampers
Title (German)
Produktdatenaustausch in der technischen Gebäudeausrüstung - Brandschutzklappen/Entrauchungsklappen