NS EN 12475-2
NS EN 12475-2 (Classification of dense shaped refractory products - Part 2: Basic products containing less than 7 % residual carbon)· NS (Norway) · 31 materials
NS EN 12475-2 (Classification of dense shaped refractory products - Part 2: Basic products containing less than 7 % residual carbon)· NS (Norway) · 31 materials