NF P23-501
Collections
National standards and national normative documents
Publication date
December 1986
Number of pages
6 p.
Reference
NF P23-501
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
P23-501
Print number
1 - 01/06/1987