NF P23-502
Collections
National standards and national normative documents
Publication date
August 1987
Number of pages
10 p.
Reference
NF P23-502
ICS Codes
13.220.50 Fire-resistance of building materials and elements
79.080 Semi-manufactures of timber
91.060.50 Doors and windows
Classification index
P23-502
Print number
1 - 01/02/1988