Basal layers for dental restorations; dental veneers, crowns, inlays, onlays and bridges, all being dental restorations

Parts and elements, made wholly or partially of ceramic materials, namely, bushes, valve discs and foam filters for machines, used in chemical, food, textile, electro-technical and cellulose industries;ceramic filament guides for machines used in the textile industry; ceramic extrusion cores for machines used in the chemical industry, namely, in ceramics industry; ceramic machine parts, namely, cyclone separators and ceramic cones used in the paper and cellulose industries;welding machine par...