NA 119
DIN Standards Committee Water Practice
Technical rule
[CURRENT]
OIML R 49-3
OIML R 49-3
Water meters for cold potable water and hot water - Part 3: Test report format
Title (German)
Wasserzähler zum Messen von kaltem Trinkwasser und heißem Wasser - Teil 3: Format des Prüfberichtes