NA 119
DIN Standards Committee Water Practice
Technical rule
[Withdrawn]
DIN 1988-3 Beiblatt 1
DIN 1988-3 Beiblatt 1
Codes of practice for drinking water installations (TRWI); examples for calculation; DVGW code of practice
Title (German)
Technische Regeln für Trinkwasser-Installationen (TRWI); Berechnungsbeispiele; Technische Regel des DVGW