NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 2050 Blatt 1.1
VDI 2050 Blatt 1.1
Requirements for technical equipment rooms - Space for service shafts
Title (German)
Anforderungen an Technikzentralen - Platzbedarf für Installationsschächte