NA 119
DIN Standards Committee Water Practice
Technical rule
[Withdrawn]
VDI/DVGW 6023
VDI/DVGW 6023
Hygiene in drinking-water installations - Requirements for planning, execution, operation and maintenance
Title (German)
Hygiene in Trinkwasser-Installationen - Anforderungen an Planung, Ausführung, Betrieb und Instandhaltung