12 REFRACTORY ARTICLES - NAMELY, BLOCKS, TUBES AND OTHER SHAPES, AND POWDER, USED TO SUPPORT OR IMBED ARTICLES FOR FIRING IN KILNS OR FURNACES; CORROSION RESISTANT ARTICLES - NAMELY, BLOCKS, TUBES AND OTHER SHAPES, MADE OF FIRED VITREOUS MATERIALS AND USED FOR CONSTRUCTION OF VESSELS OR PIPES OR LINERS FOR VESSELS OR PIPES FOR CONTAINING OR TRANSPORTING CORROSIVE SUBSTANCES, NAMELY, ELECTRO-PLATING BATHS, AND BATHS AND ACID VAPORS; CONSTRUCTION MATERIALS - NAMELY, BRICKS, BLOCKS, AND SLABS AND TILES, AND TUBULAR PARTS FOR USE AS LININGS IN GRINDING MILLS, DRAIN PIPES, CONDUITS, CORROSIVE SMOKE AND GAS STACKS; AND FOR ARCHITECTURAL PURPOSES FOR USE ON FLOORS, WALLS, CEILINGS, RAMPS, STAIRWAYS, AND OTHER SUCH BUILDING SURFACES
Trademark: 72204325
