NA 106
DIN Standards Committee Textiles and Textile Machinery
Technical rule
[Withdrawn]
DVGW W 556
DVGW W 556
Hygienic-microbial Irregularities in Drinking Water Installations - Methods and Measures to Remedy
Title (German)
Hygienisch-mikrobielle Auffälligkeiten in Trinkwasser-Installationen - Methodik und Maßnahmen zu deren Behebung