NF C23-520
Collections
National standards and national normative documents
Thematics
Gestion des risques et SST, Sécurité, QSE
Publication date
May 1982
Number of pages
40 p.
Reference
NF C23-520
ICS Codes
29.260.20 Electrical apparatus for explosive atmospheres
Classification index
C23-520
Print number
1 - 26/12/1997
International kinship
IEC 60079-3:1972
European kinship
EN 50020:1977