Standards
[CURRENT]
NF P45-204-1/A1
; NF DTU 61.1 P1/A1:2006-08-01
NF P45-204-1/A1
; NF DTU 61.1 P1/A1:2006-08-01
Building work - Gas installation in domestic premises - Part 1 : terminology.
Title (German)
Bauarbeiten - Gasinstallationen in Wohnräumen - Teil 1 : Terminologie.