79183803
Jan 14, 2016
Aug 16, 2016
Stones, in particular refractory and heat-resistant stones; refractory construction materials not of metal in the nature of refractory and heat-resistant compounds and refractory and heat-resistant spraying compounds made of raw materials and additives with high alumina clay content for the production of refractory linings for use in foundries
Nonmetallic Building Materials