Non-metal building materials, namely, fireproof and heat resistant stones; fireproof building materials, namely, stones as building materials for lining industrial fireplaces; stones; artificial stones; fireproof stones; masses for manufacturing fireproof linings namely, refractory construction materials not of metal; fireproof cements; non-metal minerals for building or construction, namely, for manufacturing refractory linings

NATURAL AND ARTIFICIAL STONES, REFRACTORY STONES AND MASSES FOR PRODUCING REFRACTORY LININGS AND CEMENT