Standards
[CURRENT]
NF P32-201-1-1
; NF DTU 40.11 P1-1:2020-12-11
NF P32-201-1-1
; NF DTU 40.11 P1-1:2020-12-11
Building works - Roof covering made of natural slates - Part 1-1 : contract bill of technical model clauses
Title (German)
Bauarbeiten - Dacheindeckung aus Schiefer - Teil 1-1 : Technische Vorschriften