00811nam0-22002891i-450-99000618343040332119980601000618343FED01000618343(Aleph)000618343FED0100061834319980601d1934----km-y0itay50------ba--------00-yyStandards d'hygiene du travail.GeneveBIT193451 p.24 cmÉtudes et documentsSérie FHygiène industrielle14341.763Organizzazione internazionale del lavoro411221ITUNINARICAUNIMARCBK990006183430403321XXII BIT N VII 14FGBCFGBCStandards d'hygiene du travail646512UNINAGIU01