Norm-Entwurf
PR NF P25-204-1-1
; PR NF DTU 34.4 P1-1
PR NF P25-204-1-1
; PR NF DTU 34.4 P1-1
Building works - Installation of shutters and blinds - Part 1-1 : contract bill of technical model clauses
Titel (englisch)
Building works - Installation of shutters and blinds - Part 1-1 : contract bill of technical model clauses