Standards
[CURRENT]
NF P41-020-1/A1
; NF EN 806-1/A1:2002-12-01
NF P41-020-1/A1
; NF EN 806-1/A1:2002-12-01
Specifications for installations inside buildings conveying water for human consumption - Part 1: general
Title (German)
Technische Regeln für Trinkwasser-Installationen - Teil 1: Allgemeines