900 - 999 Keramische und oxidische Stoffe

Labelling of sponge iron Issue: 01.12.1979

Ceramic refractory materials - fireclay bricks for general industrial applications (brick group A up to 45% Al2O3) Issue: 01.12.1984

Ceramic refractory materials - Labelling of unshaped refractory and refractory-resistant products by a code number key Edition: 01.12.1984

Ceramic refractory materials; fireclay bricks for blast furnaces and hot blast stoves Issue: 01.12.1984

Ceramic refractory materials - Acid fireclay bricks for pig iron and steel pans Issue: 01.12.1984

Ceramic refractory materials - Basic bricks Issue: 01.12.1984

Ceramic refractory materials; alumina-rich bricks Issue: 01.12.1984