NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 3805 Blatt 23
VDI 3805 Blatt 23
Product data exchange in the building services - Ventilation devices for flats
Title (German)
Produktdatenaustausch in der technischen Gebäudeausrüstung - Wohnungslüftungsgeräte