NA 021
DIN Standards Committee Iron and Steel
Draft standard
[Withdrawn]
DIN 17223-1
DIN 17223-1
Round spring steel wire; patented drawn spring wire made of unalloyed steels; technical delivery requirements
Title (German)
Runder Federstahldraht; Patentiert-gezogener Federdraht aus unlegierten Stählen; Technische Lieferbedingungen