Report - désignation des acierslewebpedagogique.com/chaudron/files/2011/03/désignation... · 2011-03-22 · C22! 34CrMo! C45E! S275! 20MnCr5! X2CrNi19I11! Aciermi0 dur% 42CrMo! C55E! S355!

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