ACEROS PARA HERRAMIENTAS. PARTE 1: GENERALIDADES.
TOOL STEELS. PART 1: GENERAL.
ACIERS À OUTILS. PARTIE 1: GÉNÉRALITÉS.
Buy on AENOR
77.140.35 / Tool steels
CTN 36 - Iron and steel
It is cancelled by: UNE-EN ISO 4957:2000
Cancel: UNE 36070:1975