DEFINICION Y CLASIFICACION DE LOS TIPOS DE ACERO
DEFINITION AND CLASSIFICATION OF GRADES OF STEEL
Buy on AENOR
77.080.20 / Steels
CTN 36 - Iron and steel
EN 10020:1988 (Identical)
It is cancelled by: UNE-EN 10020:2001
Cancel: UNE 36004-1:1978
Cancel: UNE 36004-2:1978
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