Standards
[CURRENT]
NF P45-204-7
; NF DTU 61.1 P7:2008-12-01
NF P45-204-7
; NF DTU 61.1 P7:2008-12-01
Building work - Gas installation in domestic premises - Part 7 : calculation rules.
Title (German)
Bauarbeiten - Gasinstallationen in Wohnräumen - Teil 7 : Rechnungsart.