e321 Butylated hydroxytoluene. Preservatives substances that are added to products such as foods, pharmaceuticals to prevent decomposition by microbia Stock Photo - Alamy
Gr. E 321-012 FS - locomotiva - Industria, manifattura, artigianato, Tecnomasio Italiano Brown Boveri (TIBB) – Patrimonio scientifico e tecnologico – Lombardia Beni Culturali
ForumFerrovie.Info • Leggi argomento - Elaborazione E 321-322 Rivarossi