DIN 1988-4:1988-12

Отменен

Drinking water supply systems; drinking water protection and drinking water quality control (DVGW code of practice) — 15 стр.

Заменен на

DIN 1988-100:2011-08

ICS

13.060.20 Drinking water / Питьевая вода

91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях