NA 152
DIN Standards Committee Technical Fundamentals
Technical rule
[CURRENT]
OIML R 49-2
OIML R 49-2
Water meters for cold potable water and hot water - Part 2: Test methods
Title (German)
Wasserzähler zum Messen von kaltem Trinkwasser und heißem Wasser - Teil 2: Prüfverfahren