BDS EN ISO 10081-3
BDS EN ISO 10081-3 (Classification of dense shaped refractory products - Part 3: Basic products containing from 7% to 50% residual carbon (ISO 10081-3:2003))· BDS (Bulgaria) · 96 materials
BDS EN ISO 10081-3 (Classification of dense shaped refractory products - Part 3: Basic products containing from 7% to 50% residual carbon (ISO 10081-3:2003))· BDS (Bulgaria) · 96 materials