NF A89-421
Collections
National standards and national normative documents
Publication date
December 1979
Number of pages
6 p.
Reference
NF A89-421
ICS Codes
25.160.20 Welding consumables
25.160.50 Brazing and soldering
Classification index
A89-421
Print number
1 - 01/09/1985
International kinship
ISO 698:1975